Home / 36,021.24-49,708.49-20,107.17

Finding the Fourth Proportional to 36,021.24, 49,708.49 and 20,107.17

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Solution

The fourth proportional to 36,021.24, 49,708.49 and 20,107.17 is: 27,747.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,021.24 : 49,708.49 = 20,107.17 : x
  2. Step 2: Convert to fraction form
    36,021.24/49,708.49 = 20,107.17/x
  3. Step 3: Cross multiply
    36,021.24x = 49,708.49 × 20,107.17
  4. Step 4: Simplify right side
    36,021.24x = 999,496,958.34
  5. Step 5: Solve for x
    x = 999,496,958.34/36,021.24
  6. Step 6: Final answer
    x = 27,747.43

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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.