Home / 43,378.44-65,067.66-13,796.28

Finding the Fourth Proportional to 43,378.44, 65,067.66 and 13,796.28

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Solution

The fourth proportional to 43,378.44, 65,067.66 and 13,796.28 is: 20,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,378.44 : 65,067.66 = 13,796.28 : x
  2. Step 2: Convert to fraction form
    43,378.44/65,067.66 = 13,796.28/x
  3. Step 3: Cross multiply
    43,378.44x = 65,067.66 × 13,796.28
  4. Step 4: Simplify right side
    43,378.44x = 897,691,656.30
  5. Step 5: Solve for x
    x = 897,691,656.30/43,378.44
  6. Step 6: Final answer
    x = 20,694.42

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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.