Home / 87,881.52-131,828.42-35,291

Finding the Fourth Proportional to 87,881.52, 131,828.42 and 35,291

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Solution

The fourth proportional to 87,881.52, 131,828.42 and 35,291 is: 52,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,881.52 : 131,828.42 = 35,291 : x
  2. Step 2: Convert to fraction form
    87,881.52/131,828.42 = 35,291/x
  3. Step 3: Cross multiply
    87,881.52x = 131,828.42 × 35,291
  4. Step 4: Simplify right side
    87,881.52x = 4,652,356,770.22
  5. Step 5: Solve for x
    x = 4,652,356,770.22/87,881.52
  6. Step 6: Final answer
    x = 52,938.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.