Home / 49,647.06-74,481.12-18,481.50

Finding the Fourth Proportional to 49,647.06, 74,481.12 and 18,481.50

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Solution

The fourth proportional to 49,647.06, 74,481.12 and 18,481.50 is: 27,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,647.06 : 74,481.12 = 18,481.50 : x
  2. Step 2: Convert to fraction form
    49,647.06/74,481.12 = 18,481.50/x
  3. Step 3: Cross multiply
    49,647.06x = 74,481.12 × 18,481.50
  4. Step 4: Simplify right side
    49,647.06x = 1,376,522,819.28
  5. Step 5: Solve for x
    x = 1,376,522,819.28/49,647.06
  6. Step 6: Final answer
    x = 27,726.17

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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.