Home / 41,640.72-57,464.36-25,721.52

Finding the Fourth Proportional to 41,640.72, 57,464.36 and 25,721.52

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Solution

The fourth proportional to 41,640.72, 57,464.36 and 25,721.52 is: 35,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,640.72 : 57,464.36 = 25,721.52 : x
  2. Step 2: Convert to fraction form
    41,640.72/57,464.36 = 25,721.52/x
  3. Step 3: Cross multiply
    41,640.72x = 57,464.36 × 25,721.52
  4. Step 4: Simplify right side
    41,640.72x = 1,478,070,685.03
  5. Step 5: Solve for x
    x = 1,478,070,685.03/41,640.72
  6. Step 6: Final answer
    x = 35,495.80

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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.