Home / 29,131.24-43,660.18-12,471.57

Finding the Fourth Proportional to 29,131.24, 43,660.18 and 12,471.57

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Solution

The fourth proportional to 29,131.24, 43,660.18 and 12,471.57 is: 18,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,131.24 : 43,660.18 = 12,471.57 : x
  2. Step 2: Convert to fraction form
    29,131.24/43,660.18 = 12,471.57/x
  3. Step 3: Cross multiply
    29,131.24x = 43,660.18 × 12,471.57
  4. Step 4: Simplify right side
    29,131.24x = 544,510,991.08
  5. Step 5: Solve for x
    x = 544,510,991.08/29,131.24
  6. Step 6: Final answer
    x = 18,691.65

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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.