Home / 30,975.23-46,464.61-8,786.87

Finding the Fourth Proportional to 30,975.23, 46,464.61 and 8,786.87

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Solution

The fourth proportional to 30,975.23, 46,464.61 and 8,786.87 is: 13,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,975.23 : 46,464.61 = 8,786.87 : x
  2. Step 2: Convert to fraction form
    30,975.23/46,464.61 = 8,786.87/x
  3. Step 3: Cross multiply
    30,975.23x = 46,464.61 × 8,786.87
  4. Step 4: Simplify right side
    30,975.23x = 408,278,487.67
  5. Step 5: Solve for x
    x = 408,278,487.67/30,975.23
  6. Step 6: Final answer
    x = 13,180.81

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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.