Home / 36,462.12-54,716.22-20,910.12

Finding the Fourth Proportional to 36,462.12, 54,716.22 and 20,910.12

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Solution

The fourth proportional to 36,462.12, 54,716.22 and 20,910.12 is: 31,378.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,462.12 : 54,716.22 = 20,910.12 : x
  2. Step 2: Convert to fraction form
    36,462.12/54,716.22 = 20,910.12/x
  3. Step 3: Cross multiply
    36,462.12x = 54,716.22 × 20,910.12
  4. Step 4: Simplify right side
    36,462.12x = 1,144,122,726.15
  5. Step 5: Solve for x
    x = 1,144,122,726.15/36,462.12
  6. Step 6: Final answer
    x = 31,378.39

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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.