Home / 37,079.35-55,625.09-12,112.15

Finding the Fourth Proportional to 37,079.35, 55,625.09 and 12,112.15

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Solution

The fourth proportional to 37,079.35, 55,625.09 and 12,112.15 is: 18,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,079.35 : 55,625.09 = 12,112.15 : x
  2. Step 2: Convert to fraction form
    37,079.35/55,625.09 = 12,112.15/x
  3. Step 3: Cross multiply
    37,079.35x = 55,625.09 × 12,112.15
  4. Step 4: Simplify right side
    37,079.35x = 673,739,433.84
  5. Step 5: Solve for x
    x = 673,739,433.84/37,079.35
  6. Step 6: Final answer
    x = 18,170.21

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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.