Home / 57,724.44-86,589.78-18,278.58

Finding the Fourth Proportional to 57,724.44, 86,589.78 and 18,278.58

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Solution

The fourth proportional to 57,724.44, 86,589.78 and 18,278.58 is: 27,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,724.44 : 86,589.78 = 18,278.58 : x
  2. Step 2: Convert to fraction form
    57,724.44/86,589.78 = 18,278.58/x
  3. Step 3: Cross multiply
    57,724.44x = 86,589.78 × 18,278.58
  4. Step 4: Simplify right side
    57,724.44x = 1,582,738,220.91
  5. Step 5: Solve for x
    x = 1,582,738,220.91/57,724.44
  6. Step 6: Final answer
    x = 27,418.86

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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.