Home / 55,629.56-83,449.46-18,189.82

Finding the Fourth Proportional to 55,629.56, 83,449.46 and 18,189.82

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Solution

The fourth proportional to 55,629.56, 83,449.46 and 18,189.82 is: 27,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,629.56 : 83,449.46 = 18,189.82 : x
  2. Step 2: Convert to fraction form
    55,629.56/83,449.46 = 18,189.82/x
  3. Step 3: Cross multiply
    55,629.56x = 83,449.46 × 18,189.82
  4. Step 4: Simplify right side
    55,629.56x = 1,517,930,447.87
  5. Step 5: Solve for x
    x = 1,517,930,447.87/55,629.56
  6. Step 6: Final answer
    x = 27,286.40

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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.