Home / 33,378.32-50,067.68-13,656.88

Finding the Fourth Proportional to 33,378.32, 50,067.68 and 13,656.88

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Solution

The fourth proportional to 33,378.32, 50,067.68 and 13,656.88 is: 20,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,378.32 : 50,067.68 = 13,656.88 : x
  2. Step 2: Convert to fraction form
    33,378.32/50,067.68 = 13,656.88/x
  3. Step 3: Cross multiply
    33,378.32x = 50,067.68 × 13,656.88
  4. Step 4: Simplify right side
    33,378.32x = 683,768,297.64
  5. Step 5: Solve for x
    x = 683,768,297.64/33,378.32
  6. Step 6: Final answer
    x = 20,485.40

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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.