Home / 36,591.76-54,850.25-20,763.35

Finding the Fourth Proportional to 36,591.76, 54,850.25 and 20,763.35

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Solution

The fourth proportional to 36,591.76, 54,850.25 and 20,763.35 is: 31,123.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,591.76 : 54,850.25 = 20,763.35 : x
  2. Step 2: Convert to fraction form
    36,591.76/54,850.25 = 20,763.35/x
  3. Step 3: Cross multiply
    36,591.76x = 54,850.25 × 20,763.35
  4. Step 4: Simplify right side
    36,591.76x = 1,138,874,938.34
  5. Step 5: Solve for x
    x = 1,138,874,938.34/36,591.76
  6. Step 6: Final answer
    x = 31,123.81

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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.