Home / 33,087.66-45,660.78-17,980.26

Finding the Fourth Proportional to 33,087.66, 45,660.78 and 17,980.26

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Solution

The fourth proportional to 33,087.66, 45,660.78 and 17,980.26 is: 24,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,087.66 : 45,660.78 = 17,980.26 : x
  2. Step 2: Convert to fraction form
    33,087.66/45,660.78 = 17,980.26/x
  3. Step 3: Cross multiply
    33,087.66x = 45,660.78 × 17,980.26
  4. Step 4: Simplify right side
    33,087.66x = 820,992,696.20
  5. Step 5: Solve for x
    x = 820,992,696.20/33,087.66
  6. Step 6: Final answer
    x = 24,812.66

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Double scale
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Similar ratio
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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.