Home / 29,351.25-43,997.91-18,791.21

Finding the Fourth Proportional to 29,351.25, 43,997.91 and 18,791.21

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Solution

The fourth proportional to 29,351.25, 43,997.91 and 18,791.21 is: 28,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,351.25 : 43,997.91 = 18,791.21 : x
  2. Step 2: Convert to fraction form
    29,351.25/43,997.91 = 18,791.21/x
  3. Step 3: Cross multiply
    29,351.25x = 43,997.91 × 18,791.21
  4. Step 4: Simplify right side
    29,351.25x = 826,773,746.38
  5. Step 5: Solve for x
    x = 826,773,746.38/29,351.25
  6. Step 6: Final answer
    x = 28,168.26

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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.