Home / 33,560.96-46,310.40-20,132.78

Finding the Fourth Proportional to 33,560.96, 46,310.40 and 20,132.78

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Solution

The fourth proportional to 33,560.96, 46,310.40 and 20,132.78 is: 27,781.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,560.96 : 46,310.40 = 20,132.78 : x
  2. Step 2: Convert to fraction form
    33,560.96/46,310.40 = 20,132.78/x
  3. Step 3: Cross multiply
    33,560.96x = 46,310.40 × 20,132.78
  4. Step 4: Simplify right side
    33,560.96x = 932,356,863.36
  5. Step 5: Solve for x
    x = 932,356,863.36/33,560.96
  6. Step 6: Final answer
    x = 27,781.00

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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.