Home / 43,433.27-65,163.75-19,413.87

Finding the Fourth Proportional to 43,433.27, 65,163.75 and 19,413.87

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Solution

The fourth proportional to 43,433.27, 65,163.75 and 19,413.87 is: 29,126.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,433.27 : 65,163.75 = 19,413.87 : x
  2. Step 2: Convert to fraction form
    43,433.27/65,163.75 = 19,413.87/x
  3. Step 3: Cross multiply
    43,433.27x = 65,163.75 × 19,413.87
  4. Step 4: Simplify right side
    43,433.27x = 1,265,080,571.21
  5. Step 5: Solve for x
    x = 1,265,080,571.21/43,433.27
  6. Step 6: Final answer
    x = 29,126.99

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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.