Home / 36,891.72-50,910.66-20,125.80

Finding the Fourth Proportional to 36,891.72, 50,910.66 and 20,125.80

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Solution

The fourth proportional to 36,891.72, 50,910.66 and 20,125.80 is: 27,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,891.72 : 50,910.66 = 20,125.80 : x
  2. Step 2: Convert to fraction form
    36,891.72/50,910.66 = 20,125.80/x
  3. Step 3: Cross multiply
    36,891.72x = 50,910.66 × 20,125.80
  4. Step 4: Simplify right side
    36,891.72x = 1,024,617,761.03
  5. Step 5: Solve for x
    x = 1,024,617,761.03/36,891.72
  6. Step 6: Final answer
    x = 27,773.65

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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.