Home / 31,431.68-47,233.92-29,376.80

Finding the Fourth Proportional to 31,431.68, 47,233.92 and 29,376.80

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Solution

The fourth proportional to 31,431.68, 47,233.92 and 29,376.80 is: 44,145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,431.68 : 47,233.92 = 29,376.80 : x
  2. Step 2: Convert to fraction form
    31,431.68/47,233.92 = 29,376.80/x
  3. Step 3: Cross multiply
    31,431.68x = 47,233.92 × 29,376.80
  4. Step 4: Simplify right side
    31,431.68x = 1,387,581,421.06
  5. Step 5: Solve for x
    x = 1,387,581,421.06/31,431.68
  6. Step 6: Final answer
    x = 44,145.95

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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.