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Finding the Fourth Proportional to 63,591, 87,759.68 and 36,734.64

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Solution

The fourth proportional to 63,591, 87,759.68 and 36,734.64 is: 50,696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,591 : 87,759.68 = 36,734.64 : x
  2. Step 2: Convert to fraction form
    63,591/87,759.68 = 36,734.64/x
  3. Step 3: Cross multiply
    63,591x = 87,759.68 × 36,734.64
  4. Step 4: Simplify right side
    63,591x = 3,223,820,251.32
  5. Step 5: Solve for x
    x = 3,223,820,251.32/63,591
  6. Step 6: Final answer
    x = 50,696.17

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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.