Home / 43,198.38-64,785.15-18,244.08

Finding the Fourth Proportional to 43,198.38, 64,785.15 and 18,244.08

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Solution

The fourth proportional to 43,198.38, 64,785.15 and 18,244.08 is: 27,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,198.38 : 64,785.15 = 18,244.08 : x
  2. Step 2: Convert to fraction form
    43,198.38/64,785.15 = 18,244.08/x
  3. Step 3: Cross multiply
    43,198.38x = 64,785.15 × 18,244.08
  4. Step 4: Simplify right side
    43,198.38x = 1,181,945,459.41
  5. Step 5: Solve for x
    x = 1,181,945,459.41/43,198.38
  6. Step 6: Final answer
    x = 27,360.87

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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.