Home / 22,842.88-34,072.32-20,743.04

Finding the Fourth Proportional to 22,842.88, 34,072.32 and 20,743.04

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Solution

The fourth proportional to 22,842.88, 34,072.32 and 20,743.04 is: 30,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,842.88 : 34,072.32 = 20,743.04 : x
  2. Step 2: Convert to fraction form
    22,842.88/34,072.32 = 20,743.04/x
  3. Step 3: Cross multiply
    22,842.88x = 34,072.32 × 20,743.04
  4. Step 4: Simplify right side
    22,842.88x = 706,763,496.65
  5. Step 5: Solve for x
    x = 706,763,496.65/22,842.88
  6. Step 6: Final answer
    x = 30,940.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.