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Finding the Fourth Proportional to 42,343.56, 63,529.02 and 35,023.08

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Solution

The fourth proportional to 42,343.56, 63,529.02 and 35,023.08 is: 52,545.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,343.56 : 63,529.02 = 35,023.08 : x
  2. Step 2: Convert to fraction form
    42,343.56/63,529.02 = 35,023.08/x
  3. Step 3: Cross multiply
    42,343.56x = 63,529.02 × 35,023.08
  4. Step 4: Simplify right side
    42,343.56x = 2,224,981,949.78
  5. Step 5: Solve for x
    x = 2,224,981,949.78/42,343.56
  6. Step 6: Final answer
    x = 52,545.93

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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.