Home / 54,198.09-81,229.37-26,112.87

Finding the Fourth Proportional to 54,198.09, 81,229.37 and 26,112.87

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Solution

The fourth proportional to 54,198.09, 81,229.37 and 26,112.87 is: 39,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,198.09 : 81,229.37 = 26,112.87 : x
  2. Step 2: Convert to fraction form
    54,198.09/81,229.37 = 26,112.87/x
  3. Step 3: Cross multiply
    54,198.09x = 81,229.37 × 26,112.87
  4. Step 4: Simplify right side
    54,198.09x = 2,121,131,848.43
  5. Step 5: Solve for x
    x = 2,121,131,848.43/54,198.09
  6. Step 6: Final answer
    x = 39,136.65

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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.