Home / 36,245.97-50,020.20-20,331.54

Finding the Fourth Proportional to 36,245.97, 50,020.20 and 20,331.54

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Solution

The fourth proportional to 36,245.97, 50,020.20 and 20,331.54 is: 28,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,245.97 : 50,020.20 = 20,331.54 : x
  2. Step 2: Convert to fraction form
    36,245.97/50,020.20 = 20,331.54/x
  3. Step 3: Cross multiply
    36,245.97x = 50,020.20 × 20,331.54
  4. Step 4: Simplify right side
    36,245.97x = 1,016,987,697.11
  5. Step 5: Solve for x
    x = 1,016,987,697.11/36,245.97
  6. Step 6: Final answer
    x = 28,057.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.