Home / 43,933.20-65,883.60-21,739.20

Finding the Fourth Proportional to 43,933.20, 65,883.60 and 21,739.20

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Solution

The fourth proportional to 43,933.20, 65,883.60 and 21,739.20 is: 32,600.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,933.20 : 65,883.60 = 21,739.20 : x
  2. Step 2: Convert to fraction form
    43,933.20/65,883.60 = 21,739.20/x
  3. Step 3: Cross multiply
    43,933.20x = 65,883.60 × 21,739.20
  4. Step 4: Simplify right side
    43,933.20x = 1,432,256,757.12
  5. Step 5: Solve for x
    x = 1,432,256,757.12/43,933.20
  6. Step 6: Final answer
    x = 32,600.78

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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.