Home / 31,336.20-47,023.44-13,571.61

Finding the Fourth Proportional to 31,336.20, 47,023.44 and 13,571.61

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Solution

The fourth proportional to 31,336.20, 47,023.44 and 13,571.61 is: 20,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.20 : 47,023.44 = 13,571.61 : x
  2. Step 2: Convert to fraction form
    31,336.20/47,023.44 = 13,571.61/x
  3. Step 3: Cross multiply
    31,336.20x = 47,023.44 × 13,571.61
  4. Step 4: Simplify right side
    31,336.20x = 638,183,788.54
  5. Step 5: Solve for x
    x = 638,183,788.54/31,336.20
  6. Step 6: Final answer
    x = 20,365.70

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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.