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Finding the Fourth Proportional to 63,369.92, 87,444.60 and 37,871.24

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Solution

The fourth proportional to 63,369.92, 87,444.60 and 37,871.24 is: 52,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,369.92 : 87,444.60 = 37,871.24 : x
  2. Step 2: Convert to fraction form
    63,369.92/87,444.60 = 37,871.24/x
  3. Step 3: Cross multiply
    63,369.92x = 87,444.60 × 37,871.24
  4. Step 4: Simplify right side
    63,369.92x = 3,311,635,433.30
  5. Step 5: Solve for x
    x = 3,311,635,433.30/63,369.92
  6. Step 6: Final answer
    x = 52,258.79

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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.