Home / 31,287.24-46,950.30-12,819.24

Finding the Fourth Proportional to 31,287.24, 46,950.30 and 12,819.24

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Solution

The fourth proportional to 31,287.24, 46,950.30 and 12,819.24 is: 19,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,287.24 : 46,950.30 = 12,819.24 : x
  2. Step 2: Convert to fraction form
    31,287.24/46,950.30 = 12,819.24/x
  3. Step 3: Cross multiply
    31,287.24x = 46,950.30 × 12,819.24
  4. Step 4: Simplify right side
    31,287.24x = 601,867,163.77
  5. Step 5: Solve for x
    x = 601,867,163.77/31,287.24
  6. Step 6: Final answer
    x = 19,236.83

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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.