Home / 37,243.97-55,854.11-12,279.37

Finding the Fourth Proportional to 37,243.97, 55,854.11 and 12,279.37

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Solution

The fourth proportional to 37,243.97, 55,854.11 and 12,279.37 is: 18,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,243.97 : 55,854.11 = 12,279.37 : x
  2. Step 2: Convert to fraction form
    37,243.97/55,854.11 = 12,279.37/x
  3. Step 3: Cross multiply
    37,243.97x = 55,854.11 × 12,279.37
  4. Step 4: Simplify right side
    37,243.97x = 685,853,282.71
  5. Step 5: Solve for x
    x = 685,853,282.71/37,243.97
  6. Step 6: Final answer
    x = 18,415.15

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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.