Home / 54,049.05-81,086.24-18,510.75

Finding the Fourth Proportional to 54,049.05, 81,086.24 and 18,510.75

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Solution

The fourth proportional to 54,049.05, 81,086.24 and 18,510.75 is: 27,770.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,049.05 : 81,086.24 = 18,510.75 : x
  2. Step 2: Convert to fraction form
    54,049.05/81,086.24 = 18,510.75/x
  3. Step 3: Cross multiply
    54,049.05x = 81,086.24 × 18,510.75
  4. Step 4: Simplify right side
    54,049.05x = 1,500,967,163.36
  5. Step 5: Solve for x
    x = 1,500,967,163.36/54,049.05
  6. Step 6: Final answer
    x = 27,770.46

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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.