Home / 33,116.40-49,723.20-25,729.20

Finding the Fourth Proportional to 33,116.40, 49,723.20 and 25,729.20

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Solution

The fourth proportional to 33,116.40, 49,723.20 and 25,729.20 is: 38,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,116.40 : 49,723.20 = 25,729.20 : x
  2. Step 2: Convert to fraction form
    33,116.40/49,723.20 = 25,729.20/x
  3. Step 3: Cross multiply
    33,116.40x = 49,723.20 × 25,729.20
  4. Step 4: Simplify right side
    33,116.40x = 1,279,338,157.44
  5. Step 5: Solve for x
    x = 1,279,338,157.44/33,116.40
  6. Step 6: Final answer
    x = 38,631.56

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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.