Home / 37,039.85-55,561.56-12,079.86

Finding the Fourth Proportional to 37,039.85, 55,561.56 and 12,079.86

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Solution

The fourth proportional to 37,039.85, 55,561.56 and 12,079.86 is: 18,120.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,039.85 : 55,561.56 = 12,079.86 : x
  2. Step 2: Convert to fraction form
    37,039.85/55,561.56 = 12,079.86/x
  3. Step 3: Cross multiply
    37,039.85x = 55,561.56 × 12,079.86
  4. Step 4: Simplify right side
    37,039.85x = 671,175,805.78
  5. Step 5: Solve for x
    x = 671,175,805.78/37,039.85
  6. Step 6: Final answer
    x = 18,120.37

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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.