Home / 33,088.20-45,660.78-18,940.56

Finding the Fourth Proportional to 33,088.20, 45,660.78 and 18,940.56

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Solution

The fourth proportional to 33,088.20, 45,660.78 and 18,940.56 is: 26,137.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,088.20 : 45,660.78 = 18,940.56 : x
  2. Step 2: Convert to fraction form
    33,088.20/45,660.78 = 18,940.56/x
  3. Step 3: Cross multiply
    33,088.20x = 45,660.78 × 18,940.56
  4. Step 4: Simplify right side
    33,088.20x = 864,840,743.24
  5. Step 5: Solve for x
    x = 864,840,743.24/33,088.20
  6. Step 6: Final answer
    x = 26,137.44

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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.