Home / 87,727.70-131,590.33-21,167.27

Finding the Fourth Proportional to 87,727.70, 131,590.33 and 21,167.27

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Solution

The fourth proportional to 87,727.70, 131,590.33 and 21,167.27 is: 31,750.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,727.70 : 131,590.33 = 21,167.27 : x
  2. Step 2: Convert to fraction form
    87,727.70/131,590.33 = 21,167.27/x
  3. Step 3: Cross multiply
    87,727.70x = 131,590.33 × 21,167.27
  4. Step 4: Simplify right side
    87,727.70x = 2,785,408,044.50
  5. Step 5: Solve for x
    x = 2,785,408,044.50/87,727.70
  6. Step 6: Final answer
    x = 31,750.61

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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.