Home / 33,512.20-46,268.52-20,778.94

Finding the Fourth Proportional to 33,512.20, 46,268.52 and 20,778.94

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Solution

The fourth proportional to 33,512.20, 46,268.52 and 20,778.94 is: 28,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,512.20 : 46,268.52 = 20,778.94 : x
  2. Step 2: Convert to fraction form
    33,512.20/46,268.52 = 20,778.94/x
  3. Step 3: Cross multiply
    33,512.20x = 46,268.52 × 20,778.94
  4. Step 4: Simplify right side
    33,512.20x = 961,410,800.97
  5. Step 5: Solve for x
    x = 961,410,800.97/33,512.20
  6. Step 6: Final answer
    x = 28,688.38

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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.