Home / 53,198.69-73,413.70-28,999.64

Finding the Fourth Proportional to 53,198.69, 73,413.70 and 28,999.64

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Solution

The fourth proportional to 53,198.69, 73,413.70 and 28,999.64 is: 40,019.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,198.69 : 73,413.70 = 28,999.64 : x
  2. Step 2: Convert to fraction form
    53,198.69/73,413.70 = 28,999.64/x
  3. Step 3: Cross multiply
    53,198.69x = 73,413.70 × 28,999.64
  4. Step 4: Simplify right side
    53,198.69x = 2,128,970,982.10
  5. Step 5: Solve for x
    x = 2,128,970,982.10/53,198.69
  6. Step 6: Final answer
    x = 40,019.24

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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.