Home / 33,329.58-49,969.62-20,178.78

Finding the Fourth Proportional to 33,329.58, 49,969.62 and 20,178.78

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Solution

The fourth proportional to 33,329.58, 49,969.62 and 20,178.78 is: 30,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,329.58 : 49,969.62 = 20,178.78 : x
  2. Step 2: Convert to fraction form
    33,329.58/49,969.62 = 20,178.78/x
  3. Step 3: Cross multiply
    33,329.58x = 49,969.62 × 20,178.78
  4. Step 4: Simplify right side
    33,329.58x = 1,008,325,968.66
  5. Step 5: Solve for x
    x = 1,008,325,968.66/33,329.58
  6. Step 6: Final answer
    x = 30,253.19

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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.