Home / 33,879.13-46,754.94-20,450.20

Finding the Fourth Proportional to 33,879.13, 46,754.94 and 20,450.20

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Solution

The fourth proportional to 33,879.13, 46,754.94 and 20,450.20 is: 28,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,879.13 : 46,754.94 = 20,450.20 : x
  2. Step 2: Convert to fraction form
    33,879.13/46,754.94 = 20,450.20/x
  3. Step 3: Cross multiply
    33,879.13x = 46,754.94 × 20,450.20
  4. Step 4: Simplify right side
    33,879.13x = 956,147,873.99
  5. Step 5: Solve for x
    x = 956,147,873.99/33,879.13
  6. Step 6: Final answer
    x = 28,222.33

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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.