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Finding the Fourth Proportional to 48,151.80, 72,227.70 and 29,489.40

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Solution

The fourth proportional to 48,151.80, 72,227.70 and 29,489.40 is: 44,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,151.80 : 72,227.70 = 29,489.40 : x
  2. Step 2: Convert to fraction form
    48,151.80/72,227.70 = 29,489.40/x
  3. Step 3: Cross multiply
    48,151.80x = 72,227.70 × 29,489.40
  4. Step 4: Simplify right side
    48,151.80x = 2,129,951,536.38
  5. Step 5: Solve for x
    x = 2,129,951,536.38/48,151.80
  6. Step 6: Final answer
    x = 44,234.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.