Home / 45,324.96-67,964.07-20,343.59

Finding the Fourth Proportional to 45,324.96, 67,964.07 and 20,343.59

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Solution

The fourth proportional to 45,324.96, 67,964.07 and 20,343.59 is: 30,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,324.96 : 67,964.07 = 20,343.59 : x
  2. Step 2: Convert to fraction form
    45,324.96/67,964.07 = 20,343.59/x
  3. Step 3: Cross multiply
    45,324.96x = 67,964.07 × 20,343.59
  4. Step 4: Simplify right side
    45,324.96x = 1,382,633,174.81
  5. Step 5: Solve for x
    x = 1,382,633,174.81/45,324.96
  6. Step 6: Final answer
    x = 30,504.90

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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.