Home / 31,696.08-47,544.51-8,324.88

Finding the Fourth Proportional to 31,696.08, 47,544.51 and 8,324.88

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Solution

The fourth proportional to 31,696.08, 47,544.51 and 8,324.88 is: 12,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,696.08 : 47,544.51 = 8,324.88 : x
  2. Step 2: Convert to fraction form
    31,696.08/47,544.51 = 8,324.88/x
  3. Step 3: Cross multiply
    31,696.08x = 47,544.51 × 8,324.88
  4. Step 4: Simplify right side
    31,696.08x = 395,802,340.41
  5. Step 5: Solve for x
    x = 395,802,340.41/31,696.08
  6. Step 6: Final answer
    x = 12,487.42

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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.