Home / 34,363.27-51,474.42-20,280.68

Finding the Fourth Proportional to 34,363.27, 51,474.42 and 20,280.68

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Solution

The fourth proportional to 34,363.27, 51,474.42 and 20,280.68 is: 30,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,363.27 : 51,474.42 = 20,280.68 : x
  2. Step 2: Convert to fraction form
    34,363.27/51,474.42 = 20,280.68/x
  3. Step 3: Cross multiply
    34,363.27x = 51,474.42 × 20,280.68
  4. Step 4: Simplify right side
    34,363.27x = 1,043,936,175.86
  5. Step 5: Solve for x
    x = 1,043,936,175.86/34,363.27
  6. Step 6: Final answer
    x = 30,379.42

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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.