Home / 53,823.87-80,741.30-20,571.92

Finding the Fourth Proportional to 53,823.87, 80,741.30 and 20,571.92

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Solution

The fourth proportional to 53,823.87, 80,741.30 and 20,571.92 is: 30,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,823.87 : 80,741.30 = 20,571.92 : x
  2. Step 2: Convert to fraction form
    53,823.87/80,741.30 = 20,571.92/x
  3. Step 3: Cross multiply
    53,823.87x = 80,741.30 × 20,571.92
  4. Step 4: Simplify right side
    53,823.87x = 1,661,003,413.87
  5. Step 5: Solve for x
    x = 1,661,003,413.87/53,823.87
  6. Step 6: Final answer
    x = 30,859.98

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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.