Home / 54,251.40-81,377.10-35,649.75

Finding the Fourth Proportional to 54,251.40, 81,377.10 and 35,649.75

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Solution

The fourth proportional to 54,251.40, 81,377.10 and 35,649.75 is: 53,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,251.40 : 81,377.10 = 35,649.75 : x
  2. Step 2: Convert to fraction form
    54,251.40/81,377.10 = 35,649.75/x
  3. Step 3: Cross multiply
    54,251.40x = 81,377.10 × 35,649.75
  4. Step 4: Simplify right side
    54,251.40x = 2,901,073,270.73
  5. Step 5: Solve for x
    x = 2,901,073,270.73/54,251.40
  6. Step 6: Final answer
    x = 53,474.63

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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.