Home / 33,189.80-49,732.83-20,851.88

Finding the Fourth Proportional to 33,189.80, 49,732.83 and 20,851.88

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Solution

The fourth proportional to 33,189.80, 49,732.83 and 20,851.88 is: 31,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,189.80 : 49,732.83 = 20,851.88 : x
  2. Step 2: Convert to fraction form
    33,189.80/49,732.83 = 20,851.88/x
  3. Step 3: Cross multiply
    33,189.80x = 49,732.83 × 20,851.88
  4. Step 4: Simplify right side
    33,189.80x = 1,037,022,754.56
  5. Step 5: Solve for x
    x = 1,037,022,754.56/33,189.80
  6. Step 6: Final answer
    x = 31,245.23

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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.