Home / 31,838.72-43,791.36-25,537.28

Finding the Fourth Proportional to 31,838.72, 43,791.36 and 25,537.28

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Solution

The fourth proportional to 31,838.72, 43,791.36 and 25,537.28 is: 35,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838.72 : 43,791.36 = 25,537.28 : x
  2. Step 2: Convert to fraction form
    31,838.72/43,791.36 = 25,537.28/x
  3. Step 3: Cross multiply
    31,838.72x = 43,791.36 × 25,537.28
  4. Step 4: Simplify right side
    31,838.72x = 1,118,312,221.90
  5. Step 5: Solve for x
    x = 1,118,312,221.90/31,838.72
  6. Step 6: Final answer
    x = 35,124.28

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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.