Home / 37,279.35-55,907.16-12,314.73

Finding the Fourth Proportional to 37,279.35, 55,907.16 and 12,314.73

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Solution

The fourth proportional to 37,279.35, 55,907.16 and 12,314.73 is: 18,468.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,279.35 : 55,907.16 = 12,314.73 : x
  2. Step 2: Convert to fraction form
    37,279.35/55,907.16 = 12,314.73/x
  3. Step 3: Cross multiply
    37,279.35x = 55,907.16 × 12,314.73
  4. Step 4: Simplify right side
    37,279.35x = 688,481,580.47
  5. Step 5: Solve for x
    x = 688,481,580.47/37,279.35
  6. Step 6: Final answer
    x = 18,468.18

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1.5x scale

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.