Home / 31,650.94-47,481.68-14,120.11

Finding the Fourth Proportional to 31,650.94, 47,481.68 and 14,120.11

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Solution

The fourth proportional to 31,650.94, 47,481.68 and 14,120.11 is: 21,182.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,650.94 : 47,481.68 = 14,120.11 : x
  2. Step 2: Convert to fraction form
    31,650.94/47,481.68 = 14,120.11/x
  3. Step 3: Cross multiply
    31,650.94x = 47,481.68 × 14,120.11
  4. Step 4: Simplify right side
    31,650.94x = 670,446,544.58
  5. Step 5: Solve for x
    x = 670,446,544.58/31,650.94
  6. Step 6: Final answer
    x = 21,182.52

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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.