Home / 43,722.06-65,583.09-18,745.98

Finding the Fourth Proportional to 43,722.06, 65,583.09 and 18,745.98

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Solution

The fourth proportional to 43,722.06, 65,583.09 and 18,745.98 is: 28,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,722.06 : 65,583.09 = 18,745.98 : x
  2. Step 2: Convert to fraction form
    43,722.06/65,583.09 = 18,745.98/x
  3. Step 3: Cross multiply
    43,722.06x = 65,583.09 × 18,745.98
  4. Step 4: Simplify right side
    43,722.06x = 1,229,419,293.48
  5. Step 5: Solve for x
    x = 1,229,419,293.48/43,722.06
  6. Step 6: Final answer
    x = 28,118.97

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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.