Home / 54,939.91-82,423.68-25,378.65

Finding the Fourth Proportional to 54,939.91, 82,423.68 and 25,378.65

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Solution

The fourth proportional to 54,939.91, 82,423.68 and 25,378.65 is: 38,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,939.91 : 82,423.68 = 25,378.65 : x
  2. Step 2: Convert to fraction form
    54,939.91/82,423.68 = 25,378.65/x
  3. Step 3: Cross multiply
    54,939.91x = 82,423.68 × 25,378.65
  4. Step 4: Simplify right side
    54,939.91x = 2,091,802,139.59
  5. Step 5: Solve for x
    x = 2,091,802,139.59/54,939.91
  6. Step 6: Final answer
    x = 38,074.37

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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.