Home / 35,854.79-49,481.28-19,939.50

Finding the Fourth Proportional to 35,854.79, 49,481.28 and 19,939.50

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Solution

The fourth proportional to 35,854.79, 49,481.28 and 19,939.50 is: 27,517.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,854.79 : 49,481.28 = 19,939.50 : x
  2. Step 2: Convert to fraction form
    35,854.79/49,481.28 = 19,939.50/x
  3. Step 3: Cross multiply
    35,854.79x = 49,481.28 × 19,939.50
  4. Step 4: Simplify right side
    35,854.79x = 986,631,982.56
  5. Step 5: Solve for x
    x = 986,631,982.56/35,854.79
  6. Step 6: Final answer
    x = 27,517.44

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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.