Home / 36,708.42-55,080.27-20,067.78

Finding the Fourth Proportional to 36,708.42, 55,080.27 and 20,067.78

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Solution

The fourth proportional to 36,708.42, 55,080.27 and 20,067.78 is: 30,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,708.42 : 55,080.27 = 20,067.78 : x
  2. Step 2: Convert to fraction form
    36,708.42/55,080.27 = 20,067.78/x
  3. Step 3: Cross multiply
    36,708.42x = 55,080.27 × 20,067.78
  4. Step 4: Simplify right side
    36,708.42x = 1,105,338,740.70
  5. Step 5: Solve for x
    x = 1,105,338,740.70/36,708.42
  6. Step 6: Final answer
    x = 30,111.31

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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.