Home / 35,822.70-49,433.82-19,907

Finding the Fourth Proportional to 35,822.70, 49,433.82 and 19,907

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Solution

The fourth proportional to 35,822.70, 49,433.82 and 19,907 is: 27,470.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,822.70 : 49,433.82 = 19,907 : x
  2. Step 2: Convert to fraction form
    35,822.70/49,433.82 = 19,907/x
  3. Step 3: Cross multiply
    35,822.70x = 49,433.82 × 19,907
  4. Step 4: Simplify right side
    35,822.70x = 984,079,054.74
  5. Step 5: Solve for x
    x = 984,079,054.74/35,822.70
  6. Step 6: Final answer
    x = 27,470.82

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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.