Home / 40,363.72-60,553.07-12,286.28

Finding the Fourth Proportional to 40,363.72, 60,553.07 and 12,286.28

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Solution

The fourth proportional to 40,363.72, 60,553.07 and 12,286.28 is: 18,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,363.72 : 60,553.07 = 12,286.28 : x
  2. Step 2: Convert to fraction form
    40,363.72/60,553.07 = 12,286.28/x
  3. Step 3: Cross multiply
    40,363.72x = 60,553.07 × 12,286.28
  4. Step 4: Simplify right side
    40,363.72x = 743,972,108.90
  5. Step 5: Solve for x
    x = 743,972,108.90/40,363.72
  6. Step 6: Final answer
    x = 18,431.70

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1.5x scale

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.