Home / 37,077.28-55,620.24-12,119.20

Finding the Fourth Proportional to 37,077.28, 55,620.24 and 12,119.20

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Solution

The fourth proportional to 37,077.28, 55,620.24 and 12,119.20 is: 18,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,077.28 : 55,620.24 = 12,119.20 : x
  2. Step 2: Convert to fraction form
    37,077.28/55,620.24 = 12,119.20/x
  3. Step 3: Cross multiply
    37,077.28x = 55,620.24 × 12,119.20
  4. Step 4: Simplify right side
    37,077.28x = 674,072,812.61
  5. Step 5: Solve for x
    x = 674,072,812.61/37,077.28
  6. Step 6: Final answer
    x = 18,180.21

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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.