Home / 87,513.50-131,279.37-33,478.08

Finding the Fourth Proportional to 87,513.50, 131,279.37 and 33,478.08

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Solution

The fourth proportional to 87,513.50, 131,279.37 and 33,478.08 is: 50,220.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,513.50 : 131,279.37 = 33,478.08 : x
  2. Step 2: Convert to fraction form
    87,513.50/131,279.37 = 33,478.08/x
  3. Step 3: Cross multiply
    87,513.50x = 131,279.37 × 33,478.08
  4. Step 4: Simplify right side
    87,513.50x = 4,394,981,251.21
  5. Step 5: Solve for x
    x = 4,394,981,251.21/87,513.50
  6. Step 6: Final answer
    x = 50,220.61

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1.5x scale

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.