Home / 37,042.20-55,571.40-18,331.20

Finding the Fourth Proportional to 37,042.20, 55,571.40 and 18,331.20

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Solution

The fourth proportional to 37,042.20, 55,571.40 and 18,331.20 is: 27,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,042.20 : 55,571.40 = 18,331.20 : x
  2. Step 2: Convert to fraction form
    37,042.20/55,571.40 = 18,331.20/x
  3. Step 3: Cross multiply
    37,042.20x = 55,571.40 × 18,331.20
  4. Step 4: Simplify right side
    37,042.20x = 1,018,690,447.68
  5. Step 5: Solve for x
    x = 1,018,690,447.68/37,042.20
  6. Step 6: Final answer
    x = 27,500.81

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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.