# What percent of 31 is 5?

## 16.129%

## (16.129% of 31 is 5)

### 16.129% of 31 is 5. Explanation: What does 16.129 percent (or 16.129%) mean?

Percent (%) is an abbreviation for the Latin “per centum”, which means per hundred or for every hundred. So, 16.129% means 16.129 out of every 100.

### Methods to calculate "What percent of 31 is 5" with step by step explanation:

#### Method 1: Diagonal multiplication to calculate "What percent of 31 is 5"

- For 31, our answer will be 5
- For 100, our answer will be x
- 31*x = 100*5 (In Step 1 and 2 see colored text; Diagonal multiplications will always be equal)
- x = 100*5/31 = 500/31 = 16.129

#### 16.129% of 31 is 5

#### Method 2: Same side division to calculate "What percent of 31 is 5"

- For 31, our answer will be 5
- For 100, our answer will be x
- 5/x = 31/100 (In Step 1 and 2, see colored text; Same side divisions will always be equal)
- 31/100 = 5/x or x/5 = 100/31
- x = 5*100/31 = 500/31 = 16.129

#### 16.129% of 31 is 5

### Percentage examples

Percentages express a proportionate part of a total. When a total is not given then it is assumed to be 100. E.g. 31% (read as 31 percent) can also be expressed as 31/100 or 31:100.Example: If 31% (31 percent) of your savings are invested in stocks, then 31 out of every 100 dollars are invested in stocks. If your savings are $10,000, then a total of 31*100 (i.e. $3100) are invested in stocks.

### History of Percentage

Before the Europeans learned about the decimal system, ancient Romans used fractions in the multiples of 1/100. An example was when Augustus levied a tax of 1/100 called centesima rerum venalium on goods sold at auctions. Computation with these fractions was similar to percentages.In the Middle Ages, denominator of 100 became more common. By the 16th century, as decimal system became more common, use of percentage became a standard. It was used to compute profit and loss, interest rates etc.

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