Home / 30,000.55-41,402.52-18,067.75

Finding the Fourth Proportional to 30,000.55, 41,402.52 and 18,067.75

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Solution

The fourth proportional to 30,000.55, 41,402.52 and 18,067.75 is: 24,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000.55 : 41,402.52 = 18,067.75 : x
  2. Step 2: Convert to fraction form
    30,000.55/41,402.52 = 18,067.75/x
  3. Step 3: Cross multiply
    30,000.55x = 41,402.52 × 18,067.75
  4. Step 4: Simplify right side
    30,000.55x = 748,050,380.73
  5. Step 5: Solve for x
    x = 748,050,380.73/30,000.55
  6. Step 6: Final answer
    x = 24,934.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.