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Finding the Fourth Proportional to 63,374.68, 87,456 and 35,079.76

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Solution

The fourth proportional to 63,374.68, 87,456 and 35,079.76 is: 48,409.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,374.68 : 87,456 = 35,079.76 : x
  2. Step 2: Convert to fraction form
    63,374.68/87,456 = 35,079.76/x
  3. Step 3: Cross multiply
    63,374.68x = 87,456 × 35,079.76
  4. Step 4: Simplify right side
    63,374.68x = 3,067,935,490.56
  5. Step 5: Solve for x
    x = 3,067,935,490.56/63,374.68
  6. Step 6: Final answer
    x = 48,409.48

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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.