Home / 54,778.56-82,165.68-38,089.44

Finding the Fourth Proportional to 54,778.56, 82,165.68 and 38,089.44

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Solution

The fourth proportional to 54,778.56, 82,165.68 and 38,089.44 is: 57,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,778.56 : 82,165.68 = 38,089.44 : x
  2. Step 2: Convert to fraction form
    54,778.56/82,165.68 = 38,089.44/x
  3. Step 3: Cross multiply
    54,778.56x = 82,165.68 × 38,089.44
  4. Step 4: Simplify right side
    54,778.56x = 3,129,644,738.42
  5. Step 5: Solve for x
    x = 3,129,644,738.42/54,778.56
  6. Step 6: Final answer
    x = 57,132.66

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1.5x scale

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.