Home / 39,721.38-54,791.43-23,578.04

Finding the Fourth Proportional to 39,721.38, 54,791.43 and 23,578.04

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Solution

The fourth proportional to 39,721.38, 54,791.43 and 23,578.04 is: 32,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,721.38 : 54,791.43 = 23,578.04 : x
  2. Step 2: Convert to fraction form
    39,721.38/54,791.43 = 23,578.04/x
  3. Step 3: Cross multiply
    39,721.38x = 54,791.43 × 23,578.04
  4. Step 4: Simplify right side
    39,721.38x = 1,291,874,254.24
  5. Step 5: Solve for x
    x = 1,291,874,254.24/39,721.38
  6. Step 6: Final answer
    x = 32,523.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.