Home / 33,010.42-49,515.13-13,288.49

Finding the Fourth Proportional to 33,010.42, 49,515.13 and 13,288.49

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Solution

The fourth proportional to 33,010.42, 49,515.13 and 13,288.49 is: 19,932.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,010.42 : 49,515.13 = 13,288.49 : x
  2. Step 2: Convert to fraction form
    33,010.42/49,515.13 = 13,288.49/x
  3. Step 3: Cross multiply
    33,010.42x = 49,515.13 × 13,288.49
  4. Step 4: Simplify right side
    33,010.42x = 657,981,309.85
  5. Step 5: Solve for x
    x = 657,981,309.85/33,010.42
  6. Step 6: Final answer
    x = 19,932.53

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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.