Home / 29,174.61-43,761.60-19,791.39

Finding the Fourth Proportional to 29,174.61, 43,761.60 and 19,791.39

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Solution

The fourth proportional to 29,174.61, 43,761.60 and 19,791.39 is: 29,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,174.61 : 43,761.60 = 19,791.39 : x
  2. Step 2: Convert to fraction form
    29,174.61/43,761.60 = 19,791.39/x
  3. Step 3: Cross multiply
    29,174.61x = 43,761.60 × 19,791.39
  4. Step 4: Simplify right side
    29,174.61x = 866,102,892.62
  5. Step 5: Solve for x
    x = 866,102,892.62/29,174.61
  6. Step 6: Final answer
    x = 29,686.87

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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.