Home / 54,032.91-81,049.82-18,972.56

Finding the Fourth Proportional to 54,032.91, 81,049.82 and 18,972.56

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Solution

The fourth proportional to 54,032.91, 81,049.82 and 18,972.56 is: 28,459.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,032.91 : 81,049.82 = 18,972.56 : x
  2. Step 2: Convert to fraction form
    54,032.91/81,049.82 = 18,972.56/x
  3. Step 3: Cross multiply
    54,032.91x = 81,049.82 × 18,972.56
  4. Step 4: Simplify right side
    54,032.91x = 1,537,722,680.70
  5. Step 5: Solve for x
    x = 1,537,722,680.70/54,032.91
  6. Step 6: Final answer
    x = 28,459.00

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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.