Home / 30,043.28-45,067.23-8,981.85

Finding the Fourth Proportional to 30,043.28, 45,067.23 and 8,981.85

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Solution

The fourth proportional to 30,043.28, 45,067.23 and 8,981.85 is: 13,473.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,043.28 : 45,067.23 = 8,981.85 : x
  2. Step 2: Convert to fraction form
    30,043.28/45,067.23 = 8,981.85/x
  3. Step 3: Cross multiply
    30,043.28x = 45,067.23 × 8,981.85
  4. Step 4: Simplify right side
    30,043.28x = 404,787,099.78
  5. Step 5: Solve for x
    x = 404,787,099.78/30,043.28
  6. Step 6: Final answer
    x = 13,473.47

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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.