Home / 54,183.66-81,255.30-18,634.92

Finding the Fourth Proportional to 54,183.66, 81,255.30 and 18,634.92

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Solution

The fourth proportional to 54,183.66, 81,255.30 and 18,634.92 is: 27,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,183.66 : 81,255.30 = 18,634.92 : x
  2. Step 2: Convert to fraction form
    54,183.66/81,255.30 = 18,634.92/x
  3. Step 3: Cross multiply
    54,183.66x = 81,255.30 × 18,634.92
  4. Step 4: Simplify right side
    54,183.66x = 1,514,186,015.08
  5. Step 5: Solve for x
    x = 1,514,186,015.08/54,183.66
  6. Step 6: Final answer
    x = 27,945.44

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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.