Home / 33,891.36-46,769.31-18,783.78

Finding the Fourth Proportional to 33,891.36, 46,769.31 and 18,783.78

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Solution

The fourth proportional to 33,891.36, 46,769.31 and 18,783.78 is: 25,921.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,891.36 : 46,769.31 = 18,783.78 : x
  2. Step 2: Convert to fraction form
    33,891.36/46,769.31 = 18,783.78/x
  3. Step 3: Cross multiply
    33,891.36x = 46,769.31 × 18,783.78
  4. Step 4: Simplify right side
    33,891.36x = 878,504,429.79
  5. Step 5: Solve for x
    x = 878,504,429.79/33,891.36
  6. Step 6: Final answer
    x = 25,921.19

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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.