Home / 54,450.92-81,697.50-21,194.34

Finding the Fourth Proportional to 54,450.92, 81,697.50 and 21,194.34

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Solution

The fourth proportional to 54,450.92, 81,697.50 and 21,194.34 is: 31,799.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,450.92 : 81,697.50 = 21,194.34 : x
  2. Step 2: Convert to fraction form
    54,450.92/81,697.50 = 21,194.34/x
  3. Step 3: Cross multiply
    54,450.92x = 81,697.50 × 21,194.34
  4. Step 4: Simplify right side
    54,450.92x = 1,731,524,592.15
  5. Step 5: Solve for x
    x = 1,731,524,592.15/54,450.92
  6. Step 6: Final answer
    x = 31,799.73

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1.5x scale

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.