Home / 37,101.85-55,657.96-12,143.86

Finding the Fourth Proportional to 37,101.85, 55,657.96 and 12,143.86

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Solution

The fourth proportional to 37,101.85, 55,657.96 and 12,143.86 is: 18,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,101.85 : 55,657.96 = 12,143.86 : x
  2. Step 2: Convert to fraction form
    37,101.85/55,657.96 = 12,143.86/x
  3. Step 3: Cross multiply
    37,101.85x = 55,657.96 × 12,143.86
  4. Step 4: Simplify right side
    37,101.85x = 675,902,304.62
  5. Step 5: Solve for x
    x = 675,902,304.62/37,101.85
  6. Step 6: Final answer
    x = 18,217.48

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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.