Home / 36,726.55-55,105.40-20,067.12

Finding the Fourth Proportional to 36,726.55, 55,105.40 and 20,067.12

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Solution

The fourth proportional to 36,726.55, 55,105.40 and 20,067.12 is: 30,109.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,726.55 : 55,105.40 = 20,067.12 : x
  2. Step 2: Convert to fraction form
    36,726.55/55,105.40 = 20,067.12/x
  3. Step 3: Cross multiply
    36,726.55x = 55,105.40 × 20,067.12
  4. Step 4: Simplify right side
    36,726.55x = 1,105,806,890.13
  5. Step 5: Solve for x
    x = 1,105,806,890.13/36,726.55
  6. Step 6: Final answer
    x = 30,109.19

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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.