Home / 33,147.20-49,677.60-15,375.80

Finding the Fourth Proportional to 33,147.20, 49,677.60 and 15,375.80

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Solution

The fourth proportional to 33,147.20, 49,677.60 and 15,375.80 is: 23,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,147.20 : 49,677.60 = 15,375.80 : x
  2. Step 2: Convert to fraction form
    33,147.20/49,677.60 = 15,375.80/x
  3. Step 3: Cross multiply
    33,147.20x = 49,677.60 × 15,375.80
  4. Step 4: Simplify right side
    33,147.20x = 763,832,842.08
  5. Step 5: Solve for x
    x = 763,832,842.08/33,147.20
  6. Step 6: Final answer
    x = 23,043.66

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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.