Home / 40,170.20-60,213.49-13,496.40

Finding the Fourth Proportional to 40,170.20, 60,213.49 and 13,496.40

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Solution

The fourth proportional to 40,170.20, 60,213.49 and 13,496.40 is: 20,230.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170.20 : 60,213.49 = 13,496.40 : x
  2. Step 2: Convert to fraction form
    40,170.20/60,213.49 = 13,496.40/x
  3. Step 3: Cross multiply
    40,170.20x = 60,213.49 × 13,496.40
  4. Step 4: Simplify right side
    40,170.20x = 812,665,312.70
  5. Step 5: Solve for x
    x = 812,665,312.70/40,170.20
  6. Step 6: Final answer
    x = 20,230.55

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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.