Home / 33,997.80-50,939.13-20,822.64

Finding the Fourth Proportional to 33,997.80, 50,939.13 and 20,822.64

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Solution

The fourth proportional to 33,997.80, 50,939.13 and 20,822.64 is: 31,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,997.80 : 50,939.13 = 20,822.64 : x
  2. Step 2: Convert to fraction form
    33,997.80/50,939.13 = 20,822.64/x
  3. Step 3: Cross multiply
    33,997.80x = 50,939.13 × 20,822.64
  4. Step 4: Simplify right side
    33,997.80x = 1,060,687,165.90
  5. Step 5: Solve for x
    x = 1,060,687,165.90/33,997.80
  6. Step 6: Final answer
    x = 31,198.70

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1.5x scale

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.