Home / 57,404.04-79,217.52-31,909.60

Finding the Fourth Proportional to 57,404.04, 79,217.52 and 31,909.60

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Solution

The fourth proportional to 57,404.04, 79,217.52 and 31,909.60 is: 44,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,404.04 : 79,217.52 = 31,909.60 : x
  2. Step 2: Convert to fraction form
    57,404.04/79,217.52 = 31,909.60/x
  3. Step 3: Cross multiply
    57,404.04x = 79,217.52 × 31,909.60
  4. Step 4: Simplify right side
    57,404.04x = 2,527,799,376.19
  5. Step 5: Solve for x
    x = 2,527,799,376.19/57,404.04
  6. Step 6: Final answer
    x = 44,035.22

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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.