Home / 39,747.26-54,850.11-21,842.26

Finding the Fourth Proportional to 39,747.26, 54,850.11 and 21,842.26

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Solution

The fourth proportional to 39,747.26, 54,850.11 and 21,842.26 is: 30,141.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,747.26 : 54,850.11 = 21,842.26 : x
  2. Step 2: Convert to fraction form
    39,747.26/54,850.11 = 21,842.26/x
  3. Step 3: Cross multiply
    39,747.26x = 54,850.11 × 21,842.26
  4. Step 4: Simplify right side
    39,747.26x = 1,198,050,267.48
  5. Step 5: Solve for x
    x = 1,198,050,267.48/39,747.26
  6. Step 6: Final answer
    x = 30,141.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.