Home / 40,176.76-60,245.70-13,872.28

Finding the Fourth Proportional to 40,176.76, 60,245.70 and 13,872.28

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Solution

The fourth proportional to 40,176.76, 60,245.70 and 13,872.28 is: 20,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,176.76 : 60,245.70 = 13,872.28 : x
  2. Step 2: Convert to fraction form
    40,176.76/60,245.70 = 13,872.28/x
  3. Step 3: Cross multiply
    40,176.76x = 60,245.70 × 13,872.28
  4. Step 4: Simplify right side
    40,176.76x = 835,745,219.20
  5. Step 5: Solve for x
    x = 835,745,219.20/40,176.76
  6. Step 6: Final answer
    x = 20,801.71

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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.