Home / 54,526.92-81,774.59-21,239.56

Finding the Fourth Proportional to 54,526.92, 81,774.59 and 21,239.56

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Solution

The fourth proportional to 54,526.92, 81,774.59 and 21,239.56 is: 31,853.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,526.92 : 81,774.59 = 21,239.56 : x
  2. Step 2: Convert to fraction form
    54,526.92/81,774.59 = 21,239.56/x
  3. Step 3: Cross multiply
    54,526.92x = 81,774.59 × 21,239.56
  4. Step 4: Simplify right side
    54,526.92x = 1,736,856,306.80
  5. Step 5: Solve for x
    x = 1,736,856,306.80/54,526.92
  6. Step 6: Final answer
    x = 31,853.19

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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.