Home / 33,163-45,803.82-21,965.56

Finding the Fourth Proportional to 33,163, 45,803.82 and 21,965.56

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Solution

The fourth proportional to 33,163, 45,803.82 and 21,965.56 is: 30,338.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,163 : 45,803.82 = 21,965.56 : x
  2. Step 2: Convert to fraction form
    33,163/45,803.82 = 21,965.56/x
  3. Step 3: Cross multiply
    33,163x = 45,803.82 × 21,965.56
  4. Step 4: Simplify right side
    33,163x = 1,006,106,556.44
  5. Step 5: Solve for x
    x = 1,006,106,556.44/33,163
  6. Step 6: Final answer
    x = 30,338.23

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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.