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Finding the Fourth Proportional to 57,887.87, 79,886.70 and 32,394.04

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Solution

The fourth proportional to 57,887.87, 79,886.70 and 32,394.04 is: 44,704.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,887.87 : 79,886.70 = 32,394.04 : x
  2. Step 2: Convert to fraction form
    57,887.87/79,886.70 = 32,394.04/x
  3. Step 3: Cross multiply
    57,887.87x = 79,886.70 × 32,394.04
  4. Step 4: Simplify right side
    57,887.87x = 2,587,852,755.55
  5. Step 5: Solve for x
    x = 2,587,852,755.55/57,887.87
  6. Step 6: Final answer
    x = 44,704.58

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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.