Home / 54,718.56-82,044.96-21,398.88

Finding the Fourth Proportional to 54,718.56, 82,044.96 and 21,398.88

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Solution

The fourth proportional to 54,718.56, 82,044.96 and 21,398.88 is: 32,085.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,718.56 : 82,044.96 = 21,398.88 : x
  2. Step 2: Convert to fraction form
    54,718.56/82,044.96 = 21,398.88/x
  3. Step 3: Cross multiply
    54,718.56x = 82,044.96 × 21,398.88
  4. Step 4: Simplify right side
    54,718.56x = 1,755,670,253.64
  5. Step 5: Solve for x
    x = 1,755,670,253.64/54,718.56
  6. Step 6: Final answer
    x = 32,085.46

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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.