Home / 87,727.73-131,590.46-21,167.30

Finding the Fourth Proportional to 87,727.73, 131,590.46 and 21,167.30

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Solution

The fourth proportional to 87,727.73, 131,590.46 and 21,167.30 is: 31,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,727.73 : 131,590.46 = 21,167.30 : x
  2. Step 2: Convert to fraction form
    87,727.73/131,590.46 = 21,167.30/x
  3. Step 3: Cross multiply
    87,727.73x = 131,590.46 × 21,167.30
  4. Step 4: Simplify right side
    87,727.73x = 2,785,413,980.17
  5. Step 5: Solve for x
    x = 2,785,413,980.17/87,727.73
  6. Step 6: Final answer
    x = 31,750.67

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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.