Home / 52,221.57-72,084.49-31,000.85

Finding the Fourth Proportional to 52,221.57, 72,084.49 and 31,000.85

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Solution

The fourth proportional to 52,221.57, 72,084.49 and 31,000.85 is: 42,792.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,221.57 : 72,084.49 = 31,000.85 : x
  2. Step 2: Convert to fraction form
    52,221.57/72,084.49 = 31,000.85/x
  3. Step 3: Cross multiply
    52,221.57x = 72,084.49 × 31,000.85
  4. Step 4: Simplify right side
    52,221.57x = 2,234,680,564.53
  5. Step 5: Solve for x
    x = 2,234,680,564.53/52,221.57
  6. Step 6: Final answer
    x = 42,792.29

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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.