Home / 73,539.15-110,294.20-20,217.37

Finding the Fourth Proportional to 73,539.15, 110,294.20 and 20,217.37

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Solution

The fourth proportional to 73,539.15, 110,294.20 and 20,217.37 is: 30,322.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,539.15 : 110,294.20 = 20,217.37 : x
  2. Step 2: Convert to fraction form
    73,539.15/110,294.20 = 20,217.37/x
  3. Step 3: Cross multiply
    73,539.15x = 110,294.20 × 20,217.37
  4. Step 4: Simplify right side
    73,539.15x = 2,229,858,323.98
  5. Step 5: Solve for x
    x = 2,229,858,323.98/73,539.15
  6. Step 6: Final answer
    x = 30,322.06

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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.