Home / 33,512.13-46,268.42-20,781.36

Finding the Fourth Proportional to 33,512.13, 46,268.42 and 20,781.36

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Solution

The fourth proportional to 33,512.13, 46,268.42 and 20,781.36 is: 28,691.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,512.13 : 46,268.42 = 20,781.36 : x
  2. Step 2: Convert to fraction form
    33,512.13/46,268.42 = 20,781.36/x
  3. Step 3: Cross multiply
    33,512.13x = 46,268.42 × 20,781.36
  4. Step 4: Simplify right side
    33,512.13x = 961,520,588.74
  5. Step 5: Solve for x
    x = 961,520,588.74/33,512.13
  6. Step 6: Final answer
    x = 28,691.72

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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.