Home / 33,087.04-45,660.09-17,979.64

Finding the Fourth Proportional to 33,087.04, 45,660.09 and 17,979.64

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Solution

The fourth proportional to 33,087.04, 45,660.09 and 17,979.64 is: 24,811.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,087.04 : 45,660.09 = 17,979.64 : x
  2. Step 2: Convert to fraction form
    33,087.04/45,660.09 = 17,979.64/x
  3. Step 3: Cross multiply
    33,087.04x = 45,660.09 × 17,979.64
  4. Step 4: Simplify right side
    33,087.04x = 820,951,980.57
  5. Step 5: Solve for x
    x = 820,951,980.57/33,087.04
  6. Step 6: Final answer
    x = 24,811.89

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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.