Home / 42,640.92-63,961.92-23,918.04

Finding the Fourth Proportional to 42,640.92, 63,961.92 and 23,918.04

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Solution

The fourth proportional to 42,640.92, 63,961.92 and 23,918.04 is: 35,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,640.92 : 63,961.92 = 23,918.04 : x
  2. Step 2: Convert to fraction form
    42,640.92/63,961.92 = 23,918.04/x
  3. Step 3: Cross multiply
    42,640.92x = 63,961.92 × 23,918.04
  4. Step 4: Simplify right side
    42,640.92x = 1,529,843,761.04
  5. Step 5: Solve for x
    x = 1,529,843,761.04/42,640.92
  6. Step 6: Final answer
    x = 35,877.36

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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.