Home / 54,939.71-82,324.31-38,105.59

Finding the Fourth Proportional to 54,939.71, 82,324.31 and 38,105.59

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Solution

The fourth proportional to 54,939.71, 82,324.31 and 38,105.59 is: 57,099.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,939.71 : 82,324.31 = 38,105.59 : x
  2. Step 2: Convert to fraction form
    54,939.71/82,324.31 = 38,105.59/x
  3. Step 3: Cross multiply
    54,939.71x = 82,324.31 × 38,105.59
  4. Step 4: Simplify right side
    54,939.71x = 3,137,015,992.27
  5. Step 5: Solve for x
    x = 3,137,015,992.27/54,939.71
  6. Step 6: Final answer
    x = 57,099.25

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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.