Home / 33,668.23-50,446.53-20,480.71

Finding the Fourth Proportional to 33,668.23, 50,446.53 and 20,480.71

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Solution

The fourth proportional to 33,668.23, 50,446.53 and 20,480.71 is: 30,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,668.23 : 50,446.53 = 20,480.71 : x
  2. Step 2: Convert to fraction form
    33,668.23/50,446.53 = 20,480.71/x
  3. Step 3: Cross multiply
    33,668.23x = 50,446.53 × 20,480.71
  4. Step 4: Simplify right side
    33,668.23x = 1,033,180,751.44
  5. Step 5: Solve for x
    x = 1,033,180,751.44/33,668.23
  6. Step 6: Final answer
    x = 30,687.11

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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.