Home / 54,690.93-82,003.59-21,371.30

Finding the Fourth Proportional to 54,690.93, 82,003.59 and 21,371.30

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Solution

The fourth proportional to 54,690.93, 82,003.59 and 21,371.30 is: 32,044.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,690.93 : 82,003.59 = 21,371.30 : x
  2. Step 2: Convert to fraction form
    54,690.93/82,003.59 = 21,371.30/x
  3. Step 3: Cross multiply
    54,690.93x = 82,003.59 × 21,371.30
  4. Step 4: Simplify right side
    54,690.93x = 1,752,522,912.95
  5. Step 5: Solve for x
    x = 1,752,522,912.95/54,690.93
  6. Step 6: Final answer
    x = 32,044.12

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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.