Home / 33,186.79-45,794.73-19,761.31

Finding the Fourth Proportional to 33,186.79, 45,794.73 and 19,761.31

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Solution

The fourth proportional to 33,186.79, 45,794.73 and 19,761.31 is: 27,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,186.79 : 45,794.73 = 19,761.31 : x
  2. Step 2: Convert to fraction form
    33,186.79/45,794.73 = 19,761.31/x
  3. Step 3: Cross multiply
    33,186.79x = 45,794.73 × 19,761.31
  4. Step 4: Simplify right side
    33,186.79x = 904,963,855.90
  5. Step 5: Solve for x
    x = 904,963,855.90/33,186.79
  6. Step 6: Final answer
    x = 27,268.80

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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.