Home / 33,092.10-45,648.60-20,336.42

Finding the Fourth Proportional to 33,092.10, 45,648.60 and 20,336.42

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Solution

The fourth proportional to 33,092.10, 45,648.60 and 20,336.42 is: 28,052.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,092.10 : 45,648.60 = 20,336.42 : x
  2. Step 2: Convert to fraction form
    33,092.10/45,648.60 = 20,336.42/x
  3. Step 3: Cross multiply
    33,092.10x = 45,648.60 × 20,336.42
  4. Step 4: Simplify right side
    33,092.10x = 928,328,873.77
  5. Step 5: Solve for x
    x = 928,328,873.77/33,092.10
  6. Step 6: Final answer
    x = 28,052.88

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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.