Home / 41,776.77-62,668.85-11,791.28

Finding the Fourth Proportional to 41,776.77, 62,668.85 and 11,791.28

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Solution

The fourth proportional to 41,776.77, 62,668.85 and 11,791.28 is: 17,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,776.77 : 62,668.85 = 11,791.28 : x
  2. Step 2: Convert to fraction form
    41,776.77/62,668.85 = 11,791.28/x
  3. Step 3: Cross multiply
    41,776.77x = 62,668.85 × 11,791.28
  4. Step 4: Simplify right side
    41,776.77x = 738,945,585.33
  5. Step 5: Solve for x
    x = 738,945,585.33/41,776.77
  6. Step 6: Final answer
    x = 17,687.95

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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.