Home / 41,393.76-61,790.12-38,309.92

Finding the Fourth Proportional to 41,393.76, 61,790.12 and 38,309.92

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Solution

The fourth proportional to 41,393.76, 61,790.12 and 38,309.92 is: 57,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,393.76 : 61,790.12 = 38,309.92 : x
  2. Step 2: Convert to fraction form
    41,393.76/61,790.12 = 38,309.92/x
  3. Step 3: Cross multiply
    41,393.76x = 61,790.12 × 38,309.92
  4. Step 4: Simplify right side
    41,393.76x = 2,367,174,553.99
  5. Step 5: Solve for x
    x = 2,367,174,553.99/41,393.76
  6. Step 6: Final answer
    x = 57,186.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.