Home / 29,009.82-43,517.76-12,371.61

Finding the Fourth Proportional to 29,009.82, 43,517.76 and 12,371.61

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Solution

The fourth proportional to 29,009.82, 43,517.76 and 12,371.61 is: 18,558.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,009.82 : 43,517.76 = 12,371.61 : x
  2. Step 2: Convert to fraction form
    29,009.82/43,517.76 = 12,371.61/x
  3. Step 3: Cross multiply
    29,009.82x = 43,517.76 × 12,371.61
  4. Step 4: Simplify right side
    29,009.82x = 538,384,754.79
  5. Step 5: Solve for x
    x = 538,384,754.79/29,009.82
  6. Step 6: Final answer
    x = 18,558.71

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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.