Home / 30,975.30-46,464.71-8,786.93

Finding the Fourth Proportional to 30,975.30, 46,464.71 and 8,786.93

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Solution

The fourth proportional to 30,975.30, 46,464.71 and 8,786.93 is: 13,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,975.30 : 46,464.71 = 8,786.93 : x
  2. Step 2: Convert to fraction form
    30,975.30/46,464.71 = 8,786.93/x
  3. Step 3: Cross multiply
    30,975.30x = 46,464.71 × 8,786.93
  4. Step 4: Simplify right side
    30,975.30x = 408,282,110.31
  5. Step 5: Solve for x
    x = 408,282,110.31/30,975.30
  6. Step 6: Final answer
    x = 13,180.89

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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.