Home / 33,081.89-45,654.57-20,335.59

Finding the Fourth Proportional to 33,081.89, 45,654.57 and 20,335.59

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Solution

The fourth proportional to 33,081.89, 45,654.57 and 20,335.59 is: 28,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,081.89 : 45,654.57 = 20,335.59 : x
  2. Step 2: Convert to fraction form
    33,081.89/45,654.57 = 20,335.59/x
  3. Step 3: Cross multiply
    33,081.89x = 45,654.57 × 20,335.59
  4. Step 4: Simplify right side
    33,081.89x = 928,412,617.15
  5. Step 5: Solve for x
    x = 928,412,617.15/33,081.89
  6. Step 6: Final answer
    x = 28,064.08

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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.