Home / 45,728.75-68,578.85-27,003.78

Finding the Fourth Proportional to 45,728.75, 68,578.85 and 27,003.78

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Solution

The fourth proportional to 45,728.75, 68,578.85 and 27,003.78 is: 40,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,728.75 : 68,578.85 = 27,003.78 : x
  2. Step 2: Convert to fraction form
    45,728.75/68,578.85 = 27,003.78/x
  3. Step 3: Cross multiply
    45,728.75x = 68,578.85 × 27,003.78
  4. Step 4: Simplify right side
    45,728.75x = 1,851,888,245.56
  5. Step 5: Solve for x
    x = 1,851,888,245.56/45,728.75
  6. Step 6: Final answer
    x = 40,497.24

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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.