Home / 41,769.06-57,640.05-22,905.78

Finding the Fourth Proportional to 41,769.06, 57,640.05 and 22,905.78

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Solution

The fourth proportional to 41,769.06, 57,640.05 and 22,905.78 is: 31,609.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,769.06 : 57,640.05 = 22,905.78 : x
  2. Step 2: Convert to fraction form
    41,769.06/57,640.05 = 22,905.78/x
  3. Step 3: Cross multiply
    41,769.06x = 57,640.05 × 22,905.78
  4. Step 4: Simplify right side
    41,769.06x = 1,320,290,304.49
  5. Step 5: Solve for x
    x = 1,320,290,304.49/41,769.06
  6. Step 6: Final answer
    x = 31,609.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.