Home / 53,413.20-80,022.60-43,498.80

Finding the Fourth Proportional to 53,413.20, 80,022.60 and 43,498.80

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Solution

The fourth proportional to 53,413.20, 80,022.60 and 43,498.80 is: 65,169.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,413.20 : 80,022.60 = 43,498.80 : x
  2. Step 2: Convert to fraction form
    53,413.20/80,022.60 = 43,498.80/x
  3. Step 3: Cross multiply
    53,413.20x = 80,022.60 × 43,498.80
  4. Step 4: Simplify right side
    53,413.20x = 3,480,887,072.88
  5. Step 5: Solve for x
    x = 3,480,887,072.88/53,413.20
  6. Step 6: Final answer
    x = 65,169.04

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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.