Home / 31,134.62-46,698.48-11,143.31

Finding the Fourth Proportional to 31,134.62, 46,698.48 and 11,143.31

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Solution

The fourth proportional to 31,134.62, 46,698.48 and 11,143.31 is: 16,713.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,134.62 : 46,698.48 = 11,143.31 : x
  2. Step 2: Convert to fraction form
    31,134.62/46,698.48 = 11,143.31/x
  3. Step 3: Cross multiply
    31,134.62x = 46,698.48 × 11,143.31
  4. Step 4: Simplify right side
    31,134.62x = 520,375,639.17
  5. Step 5: Solve for x
    x = 520,375,639.17/31,134.62
  6. Step 6: Final answer
    x = 16,713.73

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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.