Home / 45,324.91-67,964.02-20,343.54

Finding the Fourth Proportional to 45,324.91, 67,964.02 and 20,343.54

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Solution

The fourth proportional to 45,324.91, 67,964.02 and 20,343.54 is: 30,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,324.91 : 67,964.02 = 20,343.54 : x
  2. Step 2: Convert to fraction form
    45,324.91/67,964.02 = 20,343.54/x
  3. Step 3: Cross multiply
    45,324.91x = 67,964.02 × 20,343.54
  4. Step 4: Simplify right side
    45,324.91x = 1,382,628,708.57
  5. Step 5: Solve for x
    x = 1,382,628,708.57/45,324.91
  6. Step 6: Final answer
    x = 30,504.83

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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.