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Finding the Fourth Proportional to 63,938, 88,241 and 38,452.72

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Solution

The fourth proportional to 63,938, 88,241 and 38,452.72 is: 53,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,938 : 88,241 = 38,452.72 : x
  2. Step 2: Convert to fraction form
    63,938/88,241 = 38,452.72/x
  3. Step 3: Cross multiply
    63,938x = 88,241 × 38,452.72
  4. Step 4: Simplify right side
    63,938x = 3,393,106,465.52
  5. Step 5: Solve for x
    x = 3,393,106,465.52/63,938
  6. Step 6: Final answer
    x = 53,068.70

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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.