Home / 35,786.94-49,385.70-19,871.44

Finding the Fourth Proportional to 35,786.94, 49,385.70 and 19,871.44

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Solution

The fourth proportional to 35,786.94, 49,385.70 and 19,871.44 is: 27,422.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,786.94 : 49,385.70 = 19,871.44 : x
  2. Step 2: Convert to fraction form
    35,786.94/49,385.70 = 19,871.44/x
  3. Step 3: Cross multiply
    35,786.94x = 49,385.70 × 19,871.44
  4. Step 4: Simplify right side
    35,786.94x = 981,364,974.41
  5. Step 5: Solve for x
    x = 981,364,974.41/35,786.94
  6. Step 6: Final answer
    x = 27,422.43

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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.