Home / 31,272.87-46,910.04-9,086.43

Finding the Fourth Proportional to 31,272.87, 46,910.04 and 9,086.43

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Solution

The fourth proportional to 31,272.87, 46,910.04 and 9,086.43 is: 13,629.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272.87 : 46,910.04 = 9,086.43 : x
  2. Step 2: Convert to fraction form
    31,272.87/46,910.04 = 9,086.43/x
  3. Step 3: Cross multiply
    31,272.87x = 46,910.04 × 9,086.43
  4. Step 4: Simplify right side
    31,272.87x = 426,244,794.76
  5. Step 5: Solve for x
    x = 426,244,794.76/31,272.87
  6. Step 6: Final answer
    x = 13,629.86

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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.