Home / 43,845.12-65,640.96-25,778.88

Finding the Fourth Proportional to 43,845.12, 65,640.96 and 25,778.88

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Solution

The fourth proportional to 43,845.12, 65,640.96 and 25,778.88 is: 38,593.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,845.12 : 65,640.96 = 25,778.88 : x
  2. Step 2: Convert to fraction form
    43,845.12/65,640.96 = 25,778.88/x
  3. Step 3: Cross multiply
    43,845.12x = 65,640.96 × 25,778.88
  4. Step 4: Simplify right side
    43,845.12x = 1,692,150,430.92
  5. Step 5: Solve for x
    x = 1,692,150,430.92/43,845.12
  6. Step 6: Final answer
    x = 38,593.81

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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.