Home / 36,531.80-50,413.02-20,616.92

Finding the Fourth Proportional to 36,531.80, 50,413.02 and 20,616.92

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Solution

The fourth proportional to 36,531.80, 50,413.02 and 20,616.92 is: 28,450.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,531.80 : 50,413.02 = 20,616.92 : x
  2. Step 2: Convert to fraction form
    36,531.80/50,413.02 = 20,616.92/x
  3. Step 3: Cross multiply
    36,531.80x = 50,413.02 × 20,616.92
  4. Step 4: Simplify right side
    36,531.80x = 1,039,361,200.30
  5. Step 5: Solve for x
    x = 1,039,361,200.30/36,531.80
  6. Step 6: Final answer
    x = 28,450.86

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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.