Home / 54,371.88-75,032-30,498.04

Finding the Fourth Proportional to 54,371.88, 75,032 and 30,498.04

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Solution

The fourth proportional to 54,371.88, 75,032 and 30,498.04 is: 42,086.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,371.88 : 75,032 = 30,498.04 : x
  2. Step 2: Convert to fraction form
    54,371.88/75,032 = 30,498.04/x
  3. Step 3: Cross multiply
    54,371.88x = 75,032 × 30,498.04
  4. Step 4: Simplify right side
    54,371.88x = 2,288,328,937.28
  5. Step 5: Solve for x
    x = 2,288,328,937.28/54,371.88
  6. Step 6: Final answer
    x = 42,086.63

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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.