Home / 31,981.88-44,082.09-29,301.68

Finding the Fourth Proportional to 31,981.88, 44,082.09 and 29,301.68

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Solution

The fourth proportional to 31,981.88, 44,082.09 and 29,301.68 is: 40,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,981.88 : 44,082.09 = 29,301.68 : x
  2. Step 2: Convert to fraction form
    31,981.88/44,082.09 = 29,301.68/x
  3. Step 3: Cross multiply
    31,981.88x = 44,082.09 × 29,301.68
  4. Step 4: Simplify right side
    31,981.88x = 1,291,679,405.12
  5. Step 5: Solve for x
    x = 1,291,679,405.12/31,981.88
  6. Step 6: Final answer
    x = 40,387.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.