Home / 33,447.15-46,147.88-20,694.20

Finding the Fourth Proportional to 33,447.15, 46,147.88 and 20,694.20

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Solution

The fourth proportional to 33,447.15, 46,147.88 and 20,694.20 is: 28,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,447.15 : 46,147.88 = 20,694.20 : x
  2. Step 2: Convert to fraction form
    33,447.15/46,147.88 = 20,694.20/x
  3. Step 3: Cross multiply
    33,447.15x = 46,147.88 × 20,694.20
  4. Step 4: Simplify right side
    33,447.15x = 954,993,124.09
  5. Step 5: Solve for x
    x = 954,993,124.09/33,447.15
  6. Step 6: Final answer
    x = 28,552.30

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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.