Home / 57,308.65-79,084.42-31,813.70

Finding the Fourth Proportional to 57,308.65, 79,084.42 and 31,813.70

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Solution

The fourth proportional to 57,308.65, 79,084.42 and 31,813.70 is: 43,902.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,308.65 : 79,084.42 = 31,813.70 : x
  2. Step 2: Convert to fraction form
    57,308.65/79,084.42 = 31,813.70/x
  3. Step 3: Cross multiply
    57,308.65x = 79,084.42 × 31,813.70
  4. Step 4: Simplify right side
    57,308.65x = 2,515,967,537.60
  5. Step 5: Solve for x
    x = 2,515,967,537.60/57,308.65
  6. Step 6: Final answer
    x = 43,902.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.