Home / 38,459.44-57,691.26-12,162.22

Finding the Fourth Proportional to 38,459.44, 57,691.26 and 12,162.22

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Solution

The fourth proportional to 38,459.44, 57,691.26 and 12,162.22 is: 18,243.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459.44 : 57,691.26 = 12,162.22 : x
  2. Step 2: Convert to fraction form
    38,459.44/57,691.26 = 12,162.22/x
  3. Step 3: Cross multiply
    38,459.44x = 57,691.26 × 12,162.22
  4. Step 4: Simplify right side
    38,459.44x = 701,653,796.20
  5. Step 5: Solve for x
    x = 701,653,796.20/38,459.44
  6. Step 6: Final answer
    x = 18,243.99

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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.