Home / 33,087.06-45,660.20-17,979.89

Finding the Fourth Proportional to 33,087.06, 45,660.20 and 17,979.89

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Solution

The fourth proportional to 33,087.06, 45,660.20 and 17,979.89 is: 24,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,087.06 : 45,660.20 = 17,979.89 : x
  2. Step 2: Convert to fraction form
    33,087.06/45,660.20 = 17,979.89/x
  3. Step 3: Cross multiply
    33,087.06x = 45,660.20 × 17,979.89
  4. Step 4: Simplify right side
    33,087.06x = 820,965,055.18
  5. Step 5: Solve for x
    x = 820,965,055.18/33,087.06
  6. Step 6: Final answer
    x = 24,812.27

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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.