Home / 33,069.46-45,613.65-20,500.42

Finding the Fourth Proportional to 33,069.46, 45,613.65 and 20,500.42

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Solution

The fourth proportional to 33,069.46, 45,613.65 and 20,500.42 is: 28,276.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,069.46 : 45,613.65 = 20,500.42 : x
  2. Step 2: Convert to fraction form
    33,069.46/45,613.65 = 20,500.42/x
  3. Step 3: Cross multiply
    33,069.46x = 45,613.65 × 20,500.42
  4. Step 4: Simplify right side
    33,069.46x = 935,098,982.73
  5. Step 5: Solve for x
    x = 935,098,982.73/33,069.46
  6. Step 6: Final answer
    x = 28,276.81

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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.