Home / 57,270.26-85,930.91-22,212.65

Finding the Fourth Proportional to 57,270.26, 85,930.91 and 22,212.65

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Solution

The fourth proportional to 57,270.26, 85,930.91 and 22,212.65 is: 33,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,270.26 : 85,930.91 = 22,212.65 : x
  2. Step 2: Convert to fraction form
    57,270.26/85,930.91 = 22,212.65/x
  3. Step 3: Cross multiply
    57,270.26x = 85,930.91 × 22,212.65
  4. Step 4: Simplify right side
    57,270.26x = 1,908,752,687.29
  5. Step 5: Solve for x
    x = 1,908,752,687.29/57,270.26
  6. Step 6: Final answer
    x = 33,328.87

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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.