Home / 51,067.20-76,658.40-30,302.40

Finding the Fourth Proportional to 51,067.20, 76,658.40 and 30,302.40

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Solution

The fourth proportional to 51,067.20, 76,658.40 and 30,302.40 is: 45,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,067.20 : 76,658.40 = 30,302.40 : x
  2. Step 2: Convert to fraction form
    51,067.20/76,658.40 = 30,302.40/x
  3. Step 3: Cross multiply
    51,067.20x = 76,658.40 × 30,302.40
  4. Step 4: Simplify right side
    51,067.20x = 2,322,933,500.16
  5. Step 5: Solve for x
    x = 2,322,933,500.16/51,067.20
  6. Step 6: Final answer
    x = 45,487.78

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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.