Home / 40,074.88-55,314.48-23,311.12

Finding the Fourth Proportional to 40,074.88, 55,314.48 and 23,311.12

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Solution

The fourth proportional to 40,074.88, 55,314.48 and 23,311.12 is: 32,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,074.88 : 55,314.48 = 23,311.12 : x
  2. Step 2: Convert to fraction form
    40,074.88/55,314.48 = 23,311.12/x
  3. Step 3: Cross multiply
    40,074.88x = 55,314.48 × 23,311.12
  4. Step 4: Simplify right side
    40,074.88x = 1,289,442,481.02
  5. Step 5: Solve for x
    x = 1,289,442,481.02/40,074.88
  6. Step 6: Final answer
    x = 32,175.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.