Home / 45,351.97-68,040.20-15,771.44

Finding the Fourth Proportional to 45,351.97, 68,040.20 and 15,771.44

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Solution

The fourth proportional to 45,351.97, 68,040.20 and 15,771.44 is: 23,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,351.97 : 68,040.20 = 15,771.44 : x
  2. Step 2: Convert to fraction form
    45,351.97/68,040.20 = 15,771.44/x
  3. Step 3: Cross multiply
    45,351.97x = 68,040.20 × 15,771.44
  4. Step 4: Simplify right side
    45,351.97x = 1,073,092,141.42
  5. Step 5: Solve for x
    x = 1,073,092,141.42/45,351.97
  6. Step 6: Final answer
    x = 23,661.42

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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.