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Finding the Fourth Proportional to 63,931.92, 88,232.76 and 38,446.62

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Solution

The fourth proportional to 63,931.92, 88,232.76 and 38,446.62 is: 53,060.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,931.92 : 88,232.76 = 38,446.62 : x
  2. Step 2: Convert to fraction form
    63,931.92/88,232.76 = 38,446.62/x
  3. Step 3: Cross multiply
    63,931.92x = 88,232.76 × 38,446.62
  4. Step 4: Simplify right side
    63,931.92x = 3,392,251,395.27
  5. Step 5: Solve for x
    x = 3,392,251,395.27/63,931.92
  6. Step 6: Final answer
    x = 53,060.37

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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.