Home / 33,382.40-50,072.27-8,422.11

Finding the Fourth Proportional to 33,382.40, 50,072.27 and 8,422.11

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Solution

The fourth proportional to 33,382.40, 50,072.27 and 8,422.11 is: 12,632.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,382.40 : 50,072.27 = 8,422.11 : x
  2. Step 2: Convert to fraction form
    33,382.40/50,072.27 = 8,422.11/x
  3. Step 3: Cross multiply
    33,382.40x = 50,072.27 × 8,422.11
  4. Step 4: Simplify right side
    33,382.40x = 421,714,123.78
  5. Step 5: Solve for x
    x = 421,714,123.78/33,382.40
  6. Step 6: Final answer
    x = 12,632.83

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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.