Home / 47,954.03-71,930.90-12,893.72

Finding the Fourth Proportional to 47,954.03, 71,930.90 and 12,893.72

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Solution

The fourth proportional to 47,954.03, 71,930.90 and 12,893.72 is: 19,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,954.03 : 71,930.90 = 12,893.72 : x
  2. Step 2: Convert to fraction form
    47,954.03/71,930.90 = 12,893.72/x
  3. Step 3: Cross multiply
    47,954.03x = 71,930.90 × 12,893.72
  4. Step 4: Simplify right side
    47,954.03x = 927,456,556.53
  5. Step 5: Solve for x
    x = 927,456,556.53/47,954.03
  6. Step 6: Final answer
    x = 19,340.54

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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.