Home / 87,948.10-131,922.42-21,388.24

Finding the Fourth Proportional to 87,948.10, 131,922.42 and 21,388.24

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Solution

The fourth proportional to 87,948.10, 131,922.42 and 21,388.24 is: 32,082.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,948.10 : 131,922.42 = 21,388.24 : x
  2. Step 2: Convert to fraction form
    87,948.10/131,922.42 = 21,388.24/x
  3. Step 3: Cross multiply
    87,948.10x = 131,922.42 × 21,388.24
  4. Step 4: Simplify right side
    87,948.10x = 2,821,588,380.34
  5. Step 5: Solve for x
    x = 2,821,588,380.34/87,948.10
  6. Step 6: Final answer
    x = 32,082.43

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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.