Home / 33,020.80-49,562.56-20,502.88

Finding the Fourth Proportional to 33,020.80, 49,562.56 and 20,502.88

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Solution

The fourth proportional to 33,020.80, 49,562.56 and 20,502.88 is: 30,773.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,020.80 : 49,562.56 = 20,502.88 : x
  2. Step 2: Convert to fraction form
    33,020.80/49,562.56 = 20,502.88/x
  3. Step 3: Cross multiply
    33,020.80x = 49,562.56 × 20,502.88
  4. Step 4: Simplify right side
    33,020.80x = 1,016,175,220.17
  5. Step 5: Solve for x
    x = 1,016,175,220.17/33,020.80
  6. Step 6: Final answer
    x = 30,773.79

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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.