Home / 54,354.43-75,011.02-31,689.59

Finding the Fourth Proportional to 54,354.43, 75,011.02 and 31,689.59

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Solution

The fourth proportional to 54,354.43, 75,011.02 and 31,689.59 is: 43,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,354.43 : 75,011.02 = 31,689.59 : x
  2. Step 2: Convert to fraction form
    54,354.43/75,011.02 = 31,689.59/x
  3. Step 3: Cross multiply
    54,354.43x = 75,011.02 × 31,689.59
  4. Step 4: Simplify right side
    54,354.43x = 2,377,068,015.00
  5. Step 5: Solve for x
    x = 2,377,068,015.00/54,354.43
  6. Step 6: Final answer
    x = 43,732.74

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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.