Home / 38,605.55-57,868.66-21,929.97

Finding the Fourth Proportional to 38,605.55, 57,868.66 and 21,929.97

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Solution

The fourth proportional to 38,605.55, 57,868.66 and 21,929.97 is: 32,872.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,605.55 : 57,868.66 = 21,929.97 : x
  2. Step 2: Convert to fraction form
    38,605.55/57,868.66 = 21,929.97/x
  3. Step 3: Cross multiply
    38,605.55x = 57,868.66 × 21,929.97
  4. Step 4: Simplify right side
    38,605.55x = 1,269,058,222.16
  5. Step 5: Solve for x
    x = 1,269,058,222.16/38,605.55
  6. Step 6: Final answer
    x = 32,872.43

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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.