Home / 54,387.40-75,053.46-30,519.88

Finding the Fourth Proportional to 54,387.40, 75,053.46 and 30,519.88

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Solution

The fourth proportional to 54,387.40, 75,053.46 and 30,519.88 is: 42,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,387.40 : 75,053.46 = 30,519.88 : x
  2. Step 2: Convert to fraction form
    54,387.40/75,053.46 = 30,519.88/x
  3. Step 3: Cross multiply
    54,387.40x = 75,053.46 × 30,519.88
  4. Step 4: Simplify right side
    54,387.40x = 2,290,622,592.78
  5. Step 5: Solve for x
    x = 2,290,622,592.78/54,387.40
  6. Step 6: Final answer
    x = 42,116.79

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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.