Home / 49,605.18-74,375.46-18,009.30

Finding the Fourth Proportional to 49,605.18, 74,375.46 and 18,009.30

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Solution

The fourth proportional to 49,605.18, 74,375.46 and 18,009.30 is: 27,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,605.18 : 74,375.46 = 18,009.30 : x
  2. Step 2: Convert to fraction form
    49,605.18/74,375.46 = 18,009.30/x
  3. Step 3: Cross multiply
    49,605.18x = 74,375.46 × 18,009.30
  4. Step 4: Simplify right side
    49,605.18x = 1,339,449,971.78
  5. Step 5: Solve for x
    x = 1,339,449,971.78/49,605.18
  6. Step 6: Final answer
    x = 27,002.22

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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.