Home / 31,467.54-47,201.44-12,747.93

Finding the Fourth Proportional to 31,467.54, 47,201.44 and 12,747.93

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Solution

The fourth proportional to 31,467.54, 47,201.44 and 12,747.93 is: 19,121.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.54 : 47,201.44 = 12,747.93 : x
  2. Step 2: Convert to fraction form
    31,467.54/47,201.44 = 12,747.93/x
  3. Step 3: Cross multiply
    31,467.54x = 47,201.44 × 12,747.93
  4. Step 4: Simplify right side
    31,467.54x = 601,720,739.15
  5. Step 5: Solve for x
    x = 601,720,739.15/31,467.54
  6. Step 6: Final answer
    x = 19,121.95

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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.