Home / 45,413.08-68,067.78-19,112.92

Finding the Fourth Proportional to 45,413.08, 68,067.78 and 19,112.92

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Solution

The fourth proportional to 45,413.08, 68,067.78 and 19,112.92 is: 28,647.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,413.08 : 68,067.78 = 19,112.92 : x
  2. Step 2: Convert to fraction form
    45,413.08/68,067.78 = 19,112.92/x
  3. Step 3: Cross multiply
    45,413.08x = 68,067.78 × 19,112.92
  4. Step 4: Simplify right side
    45,413.08x = 1,300,974,033.72
  5. Step 5: Solve for x
    x = 1,300,974,033.72/45,413.08
  6. Step 6: Final answer
    x = 28,647.56

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1.5x scale

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.