Home / 45,413.94-68,022.44-21,991.26

Finding the Fourth Proportional to 45,413.94, 68,022.44 and 21,991.26

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Solution

The fourth proportional to 45,413.94, 68,022.44 and 21,991.26 is: 32,939.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,413.94 : 68,022.44 = 21,991.26 : x
  2. Step 2: Convert to fraction form
    45,413.94/68,022.44 = 21,991.26/x
  3. Step 3: Cross multiply
    45,413.94x = 68,022.44 × 21,991.26
  4. Step 4: Simplify right side
    45,413.94x = 1,495,899,163.87
  5. Step 5: Solve for x
    x = 1,495,899,163.87/45,413.94
  6. Step 6: Final answer
    x = 32,939.21

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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.