Home / 43,378.48-65,067.72-13,796.38

Finding the Fourth Proportional to 43,378.48, 65,067.72 and 13,796.38

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Solution

The fourth proportional to 43,378.48, 65,067.72 and 13,796.38 is: 20,694.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,378.48 : 65,067.72 = 13,796.38 : x
  2. Step 2: Convert to fraction form
    43,378.48/65,067.72 = 13,796.38/x
  3. Step 3: Cross multiply
    43,378.48x = 65,067.72 × 13,796.38
  4. Step 4: Simplify right side
    43,378.48x = 897,698,990.85
  5. Step 5: Solve for x
    x = 897,698,990.85/43,378.48
  6. Step 6: Final answer
    x = 20,694.57

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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.