Home / 75,380.44-113,067.84-30,421.24

Finding the Fourth Proportional to 75,380.44, 113,067.84 and 30,421.24

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Solution

The fourth proportional to 75,380.44, 113,067.84 and 30,421.24 is: 45,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,380.44 : 113,067.84 = 30,421.24 : x
  2. Step 2: Convert to fraction form
    75,380.44/113,067.84 = 30,421.24/x
  3. Step 3: Cross multiply
    75,380.44x = 113,067.84 × 30,421.24
  4. Step 4: Simplify right side
    75,380.44x = 3,439,663,896.92
  5. Step 5: Solve for x
    x = 3,439,663,896.92/75,380.44
  6. Step 6: Final answer
    x = 45,630.72

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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.