Home / 33,180.39-49,653.63-20,706.30

Finding the Fourth Proportional to 33,180.39, 49,653.63 and 20,706.30

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Solution

The fourth proportional to 33,180.39, 49,653.63 and 20,706.30 is: 30,986.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,180.39 : 49,653.63 = 20,706.30 : x
  2. Step 2: Convert to fraction form
    33,180.39/49,653.63 = 20,706.30/x
  3. Step 3: Cross multiply
    33,180.39x = 49,653.63 × 20,706.30
  4. Step 4: Simplify right side
    33,180.39x = 1,028,142,958.87
  5. Step 5: Solve for x
    x = 1,028,142,958.87/33,180.39
  6. Step 6: Final answer
    x = 30,986.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.