Home / 38,616.11-57,932.67-21,983.99

Finding the Fourth Proportional to 38,616.11, 57,932.67 and 21,983.99

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Solution

The fourth proportional to 38,616.11, 57,932.67 and 21,983.99 is: 32,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,616.11 : 57,932.67 = 21,983.99 : x
  2. Step 2: Convert to fraction form
    38,616.11/57,932.67 = 21,983.99/x
  3. Step 3: Cross multiply
    38,616.11x = 57,932.67 × 21,983.99
  4. Step 4: Simplify right side
    38,616.11x = 1,273,591,237.95
  5. Step 5: Solve for x
    x = 1,273,591,237.95/38,616.11
  6. Step 6: Final answer
    x = 32,980.83

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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.