Home / 30,974.79-46,463.96-8,786.43

Finding the Fourth Proportional to 30,974.79, 46,463.96 and 8,786.43

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Solution

The fourth proportional to 30,974.79, 46,463.96 and 8,786.43 is: 13,180.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,974.79 : 46,463.96 = 8,786.43 : x
  2. Step 2: Convert to fraction form
    30,974.79/46,463.96 = 8,786.43/x
  3. Step 3: Cross multiply
    30,974.79x = 46,463.96 × 8,786.43
  4. Step 4: Simplify right side
    30,974.79x = 408,252,304.61
  5. Step 5: Solve for x
    x = 408,252,304.61/30,974.79
  6. Step 6: Final answer
    x = 13,180.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.