Home / 33,841.80-46,686.78-20,413.62

Finding the Fourth Proportional to 33,841.80, 46,686.78 and 20,413.62

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Solution

The fourth proportional to 33,841.80, 46,686.78 and 20,413.62 is: 28,161.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,841.80 : 46,686.78 = 20,413.62 : x
  2. Step 2: Convert to fraction form
    33,841.80/46,686.78 = 20,413.62/x
  3. Step 3: Cross multiply
    33,841.80x = 46,686.78 × 20,413.62
  4. Step 4: Simplify right side
    33,841.80x = 953,046,185.94
  5. Step 5: Solve for x
    x = 953,046,185.94/33,841.80
  6. Step 6: Final answer
    x = 28,161.81

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1.5x scale

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.