Home / 43,610.60-65,286.30-28,836.20

Finding the Fourth Proportional to 43,610.60, 65,286.30 and 28,836.20

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Solution

The fourth proportional to 43,610.60, 65,286.30 and 28,836.20 is: 43,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,610.60 : 65,286.30 = 28,836.20 : x
  2. Step 2: Convert to fraction form
    43,610.60/65,286.30 = 28,836.20/x
  3. Step 3: Cross multiply
    43,610.60x = 65,286.30 × 28,836.20
  4. Step 4: Simplify right side
    43,610.60x = 1,882,608,804.06
  5. Step 5: Solve for x
    x = 1,882,608,804.06/43,610.60
  6. Step 6: Final answer
    x = 43,168.61

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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.