Home / 33,943.20-46,860.17-20,517.86

Finding the Fourth Proportional to 33,943.20, 46,860.17 and 20,517.86

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Solution

The fourth proportional to 33,943.20, 46,860.17 and 20,517.86 is: 28,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,943.20 : 46,860.17 = 20,517.86 : x
  2. Step 2: Convert to fraction form
    33,943.20/46,860.17 = 20,517.86/x
  3. Step 3: Cross multiply
    33,943.20x = 46,860.17 × 20,517.86
  4. Step 4: Simplify right side
    33,943.20x = 961,470,070.75
  5. Step 5: Solve for x
    x = 961,470,070.75/33,943.20
  6. Step 6: Final answer
    x = 28,325.85

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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.