Home / 62,132.18-85,757.86-38,279.30

Finding the Fourth Proportional to 62,132.18, 85,757.86 and 38,279.30

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Solution

The fourth proportional to 62,132.18, 85,757.86 and 38,279.30 is: 52,834.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,132.18 : 85,757.86 = 38,279.30 : x
  2. Step 2: Convert to fraction form
    62,132.18/85,757.86 = 38,279.30/x
  3. Step 3: Cross multiply
    62,132.18x = 85,757.86 × 38,279.30
  4. Step 4: Simplify right side
    62,132.18x = 3,282,750,850.30
  5. Step 5: Solve for x
    x = 3,282,750,850.30/62,132.18
  6. Step 6: Final answer
    x = 52,834.95

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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.