Home / 30,786.76-46,178.22-12,066.04

Finding the Fourth Proportional to 30,786.76, 46,178.22 and 12,066.04

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Solution

The fourth proportional to 30,786.76, 46,178.22 and 12,066.04 is: 18,098.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,786.76 : 46,178.22 = 12,066.04 : x
  2. Step 2: Convert to fraction form
    30,786.76/46,178.22 = 12,066.04/x
  3. Step 3: Cross multiply
    30,786.76x = 46,178.22 × 12,066.04
  4. Step 4: Simplify right side
    30,786.76x = 557,188,249.65
  5. Step 5: Solve for x
    x = 557,188,249.65/30,786.76
  6. Step 6: Final answer
    x = 18,098.31

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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.