Home / 33,127.78-45,716.43-18,020.56

Finding the Fourth Proportional to 33,127.78, 45,716.43 and 18,020.56

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Solution

The fourth proportional to 33,127.78, 45,716.43 and 18,020.56 is: 24,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,127.78 : 45,716.43 = 18,020.56 : x
  2. Step 2: Convert to fraction form
    33,127.78/45,716.43 = 18,020.56/x
  3. Step 3: Cross multiply
    33,127.78x = 45,716.43 × 18,020.56
  4. Step 4: Simplify right side
    33,127.78x = 823,835,669.80
  5. Step 5: Solve for x
    x = 823,835,669.80/33,127.78
  6. Step 6: Final answer
    x = 24,868.42

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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.