Home / 47,450.43-71,195.43-20,815.56

Finding the Fourth Proportional to 47,450.43, 71,195.43 and 20,815.56

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Solution

The fourth proportional to 47,450.43, 71,195.43 and 20,815.56 is: 31,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,450.43 : 71,195.43 = 20,815.56 : x
  2. Step 2: Convert to fraction form
    47,450.43/71,195.43 = 20,815.56/x
  3. Step 3: Cross multiply
    47,450.43x = 71,195.43 × 20,815.56
  4. Step 4: Simplify right side
    47,450.43x = 1,481,972,744.89
  5. Step 5: Solve for x
    x = 1,481,972,744.89/47,450.43
  6. Step 6: Final answer
    x = 31,232.02

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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.