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Finding the Fourth Proportional to 63,372.92, 87,429.04 and 36,501.05

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Solution

The fourth proportional to 63,372.92, 87,429.04 and 36,501.05 is: 50,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,372.92 : 87,429.04 = 36,501.05 : x
  2. Step 2: Convert to fraction form
    63,372.92/87,429.04 = 36,501.05/x
  3. Step 3: Cross multiply
    63,372.92x = 87,429.04 × 36,501.05
  4. Step 4: Simplify right side
    63,372.92x = 3,191,251,887.81
  5. Step 5: Solve for x
    x = 3,191,251,887.81/63,372.92
  6. Step 6: Final answer
    x = 50,356.72

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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.