Home / 29,163.71-43,749.78-12,523.61

Finding the Fourth Proportional to 29,163.71, 43,749.78 and 12,523.61

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Solution

The fourth proportional to 29,163.71, 43,749.78 and 12,523.61 is: 18,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,163.71 : 43,749.78 = 12,523.61 : x
  2. Step 2: Convert to fraction form
    29,163.71/43,749.78 = 12,523.61/x
  3. Step 3: Cross multiply
    29,163.71x = 43,749.78 × 12,523.61
  4. Step 4: Simplify right side
    29,163.71x = 547,904,963.56
  5. Step 5: Solve for x
    x = 547,904,963.56/29,163.71
  6. Step 6: Final answer
    x = 18,787.22

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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.