Home / 66,228.74-99,306.20-21,843.57

Finding the Fourth Proportional to 66,228.74, 99,306.20 and 21,843.57

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Solution

The fourth proportional to 66,228.74, 99,306.20 and 21,843.57 is: 32,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,228.74 : 99,306.20 = 21,843.57 : x
  2. Step 2: Convert to fraction form
    66,228.74/99,306.20 = 21,843.57/x
  3. Step 3: Cross multiply
    66,228.74x = 99,306.20 × 21,843.57
  4. Step 4: Simplify right side
    66,228.74x = 2,169,202,358.14
  5. Step 5: Solve for x
    x = 2,169,202,358.14/66,228.74
  6. Step 6: Final answer
    x = 32,753.19

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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.