Home / 47,788.56-71,687.28-18,198.24

Finding the Fourth Proportional to 47,788.56, 71,687.28 and 18,198.24

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Solution

The fourth proportional to 47,788.56, 71,687.28 and 18,198.24 is: 27,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,788.56 : 71,687.28 = 18,198.24 : x
  2. Step 2: Convert to fraction form
    47,788.56/71,687.28 = 18,198.24/x
  3. Step 3: Cross multiply
    47,788.56x = 71,687.28 × 18,198.24
  4. Step 4: Simplify right side
    47,788.56x = 1,304,582,326.39
  5. Step 5: Solve for x
    x = 1,304,582,326.39/47,788.56
  6. Step 6: Final answer
    x = 27,299.05

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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.