Home / 54,805.06-82,206.87-31,414.78

Finding the Fourth Proportional to 54,805.06, 82,206.87 and 31,414.78

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Solution

The fourth proportional to 54,805.06, 82,206.87 and 31,414.78 is: 47,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,805.06 : 82,206.87 = 31,414.78 : x
  2. Step 2: Convert to fraction form
    54,805.06/82,206.87 = 31,414.78/x
  3. Step 3: Cross multiply
    54,805.06x = 82,206.87 × 31,414.78
  4. Step 4: Simplify right side
    54,805.06x = 2,582,510,735.54
  5. Step 5: Solve for x
    x = 2,582,510,735.54/54,805.06
  6. Step 6: Final answer
    x = 47,121.76

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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.