Home / 37,179.20-55,755.48-13,480.76

Finding the Fourth Proportional to 37,179.20, 55,755.48 and 13,480.76

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Solution

The fourth proportional to 37,179.20, 55,755.48 and 13,480.76 is: 20,216.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,179.20 : 55,755.48 = 13,480.76 : x
  2. Step 2: Convert to fraction form
    37,179.20/55,755.48 = 13,480.76/x
  3. Step 3: Cross multiply
    37,179.20x = 55,755.48 × 13,480.76
  4. Step 4: Simplify right side
    37,179.20x = 751,626,244.56
  5. Step 5: Solve for x
    x = 751,626,244.56/37,179.20
  6. Step 6: Final answer
    x = 20,216.31

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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.