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Finding the Fourth Proportional to 63,508.56, 87,641 and 35,214.80

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Solution

The fourth proportional to 63,508.56, 87,641 and 35,214.80 is: 48,595.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,508.56 : 87,641 = 35,214.80 : x
  2. Step 2: Convert to fraction form
    63,508.56/87,641 = 35,214.80/x
  3. Step 3: Cross multiply
    63,508.56x = 87,641 × 35,214.80
  4. Step 4: Simplify right side
    63,508.56x = 3,086,260,286.80
  5. Step 5: Solve for x
    x = 3,086,260,286.80/63,508.56
  6. Step 6: Final answer
    x = 48,595.97

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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.