Home / 39,747.27-54,850.10-21,842.26

Finding the Fourth Proportional to 39,747.27, 54,850.10 and 21,842.26

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Solution

The fourth proportional to 39,747.27, 54,850.10 and 21,842.26 is: 30,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,747.27 : 54,850.10 = 21,842.26 : x
  2. Step 2: Convert to fraction form
    39,747.27/54,850.10 = 21,842.26/x
  3. Step 3: Cross multiply
    39,747.27x = 54,850.10 × 21,842.26
  4. Step 4: Simplify right side
    39,747.27x = 1,198,049,898.89
  5. Step 5: Solve for x
    x = 1,198,049,898.89/39,747.27
  6. Step 6: Final answer
    x = 30,141.69

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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.