Home / 33,238.78-45,868.39-19,803.09

Finding the Fourth Proportional to 33,238.78, 45,868.39 and 19,803.09

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Solution

The fourth proportional to 33,238.78, 45,868.39 and 19,803.09 is: 27,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,238.78 : 45,868.39 = 19,803.09 : x
  2. Step 2: Convert to fraction form
    33,238.78/45,868.39 = 19,803.09/x
  3. Step 3: Cross multiply
    33,238.78x = 45,868.39 × 19,803.09
  4. Step 4: Simplify right side
    33,238.78x = 908,335,855.33
  5. Step 5: Solve for x
    x = 908,335,855.33/33,238.78
  6. Step 6: Final answer
    x = 27,327.59

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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.