Home / 54,691.93-82,005.09-21,372.30

Finding the Fourth Proportional to 54,691.93, 82,005.09 and 21,372.30

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Solution

The fourth proportional to 54,691.93, 82,005.09 and 21,372.30 is: 32,045.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,691.93 : 82,005.09 = 21,372.30 : x
  2. Step 2: Convert to fraction form
    54,691.93/82,005.09 = 21,372.30/x
  3. Step 3: Cross multiply
    54,691.93x = 82,005.09 × 21,372.30
  4. Step 4: Simplify right side
    54,691.93x = 1,752,637,385.01
  5. Step 5: Solve for x
    x = 1,752,637,385.01/54,691.93
  6. Step 6: Final answer
    x = 32,045.63

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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.