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Finding the Fourth Proportional to 63,295.24, 87,364.74 and 39,407.92

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Solution

The fourth proportional to 63,295.24, 87,364.74 and 39,407.92 is: 54,393.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,295.24 : 87,364.74 = 39,407.92 : x
  2. Step 2: Convert to fraction form
    63,295.24/87,364.74 = 39,407.92/x
  3. Step 3: Cross multiply
    63,295.24x = 87,364.74 × 39,407.92
  4. Step 4: Simplify right side
    63,295.24x = 3,442,862,684.74
  5. Step 5: Solve for x
    x = 3,442,862,684.74/63,295.24
  6. Step 6: Final answer
    x = 54,393.71

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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.