Home / 41,285.78-61,912.82-17,578.30

Finding the Fourth Proportional to 41,285.78, 61,912.82 and 17,578.30

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Solution

The fourth proportional to 41,285.78, 61,912.82 and 17,578.30 is: 26,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,285.78 : 61,912.82 = 17,578.30 : x
  2. Step 2: Convert to fraction form
    41,285.78/61,912.82 = 17,578.30/x
  3. Step 3: Cross multiply
    41,285.78x = 61,912.82 × 17,578.30
  4. Step 4: Simplify right side
    41,285.78x = 1,088,321,858.19
  5. Step 5: Solve for x
    x = 1,088,321,858.19/41,285.78
  6. Step 6: Final answer
    x = 26,360.70

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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.