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Finding the Fourth Proportional to 63,341.82, 87,426 and 36,489.11

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Solution

The fourth proportional to 63,341.82, 87,426 and 36,489.11 is: 50,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,341.82 : 87,426 = 36,489.11 : x
  2. Step 2: Convert to fraction form
    63,341.82/87,426 = 36,489.11/x
  3. Step 3: Cross multiply
    63,341.82x = 87,426 × 36,489.11
  4. Step 4: Simplify right side
    63,341.82x = 3,190,096,493.73
  5. Step 5: Solve for x
    x = 3,190,096,493.73/63,341.82
  6. Step 6: Final answer
    x = 50,363.20

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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.