Home / 45,324.92-67,964.01-20,343.54

Finding the Fourth Proportional to 45,324.92, 67,964.01 and 20,343.54

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Solution

The fourth proportional to 45,324.92, 67,964.01 and 20,343.54 is: 30,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,324.92 : 67,964.01 = 20,343.54 : x
  2. Step 2: Convert to fraction form
    45,324.92/67,964.01 = 20,343.54/x
  3. Step 3: Cross multiply
    45,324.92x = 67,964.01 × 20,343.54
  4. Step 4: Simplify right side
    45,324.92x = 1,382,628,556.00
  5. Step 5: Solve for x
    x = 1,382,628,556.00/45,324.92
  6. Step 6: Final answer
    x = 30,504.82

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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.