Home / 31,503.97-43,481.78-18,084.30

Finding the Fourth Proportional to 31,503.97, 43,481.78 and 18,084.30

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Solution

The fourth proportional to 31,503.97, 43,481.78 and 18,084.30 is: 24,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503.97 : 43,481.78 = 18,084.30 : x
  2. Step 2: Convert to fraction form
    31,503.97/43,481.78 = 18,084.30/x
  3. Step 3: Cross multiply
    31,503.97x = 43,481.78 × 18,084.30
  4. Step 4: Simplify right side
    31,503.97x = 786,337,554.05
  5. Step 5: Solve for x
    x = 786,337,554.05/31,503.97
  6. Step 6: Final answer
    x = 24,959.95

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1.5x scale

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.