Home / 40,250.40-60,385.20-16,863.84

Finding the Fourth Proportional to 40,250.40, 60,385.20 and 16,863.84

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Solution

The fourth proportional to 40,250.40, 60,385.20 and 16,863.84 is: 25,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,250.40 : 60,385.20 = 16,863.84 : x
  2. Step 2: Convert to fraction form
    40,250.40/60,385.20 = 16,863.84/x
  3. Step 3: Cross multiply
    40,250.40x = 60,385.20 × 16,863.84
  4. Step 4: Simplify right side
    40,250.40x = 1,018,326,351.17
  5. Step 5: Solve for x
    x = 1,018,326,351.17/40,250.40
  6. Step 6: Final answer
    x = 25,299.78

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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.