Home / 33,563.20-46,305.69-20,811.79

Finding the Fourth Proportional to 33,563.20, 46,305.69 and 20,811.79

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Solution

The fourth proportional to 33,563.20, 46,305.69 and 20,811.79 is: 28,713.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,563.20 : 46,305.69 = 20,811.79 : x
  2. Step 2: Convert to fraction form
    33,563.20/46,305.69 = 20,811.79/x
  3. Step 3: Cross multiply
    33,563.20x = 46,305.69 × 20,811.79
  4. Step 4: Simplify right side
    33,563.20x = 963,704,296.09
  5. Step 5: Solve for x
    x = 963,704,296.09/33,563.20
  6. Step 6: Final answer
    x = 28,713.12

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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.