Home / 33,879.38-46,755.28-20,450.46

Finding the Fourth Proportional to 33,879.38, 46,755.28 and 20,450.46

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Solution

The fourth proportional to 33,879.38, 46,755.28 and 20,450.46 is: 28,222.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,879.38 : 46,755.28 = 20,450.46 : x
  2. Step 2: Convert to fraction form
    33,879.38/46,755.28 = 20,450.46/x
  3. Step 3: Cross multiply
    33,879.38x = 46,755.28 × 20,450.46
  4. Step 4: Simplify right side
    33,879.38x = 956,166,983.43
  5. Step 5: Solve for x
    x = 956,166,983.43/33,879.38
  6. Step 6: Final answer
    x = 28,222.68

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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.