Home / 66,628.22-91,945.38-36,413.60

Finding the Fourth Proportional to 66,628.22, 91,945.38 and 36,413.60

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Solution

The fourth proportional to 66,628.22, 91,945.38 and 36,413.60 is: 50,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,628.22 : 91,945.38 = 36,413.60 : x
  2. Step 2: Convert to fraction form
    66,628.22/91,945.38 = 36,413.60/x
  3. Step 3: Cross multiply
    66,628.22x = 91,945.38 × 36,413.60
  4. Step 4: Simplify right side
    66,628.22x = 3,348,062,289.17
  5. Step 5: Solve for x
    x = 3,348,062,289.17/66,628.22
  6. Step 6: Final answer
    x = 50,249.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.