Home / 39,183.62-54,074.86-22,413.38

Finding the Fourth Proportional to 39,183.62, 54,074.86 and 22,413.38

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Solution

The fourth proportional to 39,183.62, 54,074.86 and 22,413.38 is: 30,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,183.62 : 54,074.86 = 22,413.38 : x
  2. Step 2: Convert to fraction form
    39,183.62/54,074.86 = 22,413.38/x
  3. Step 3: Cross multiply
    39,183.62x = 54,074.86 × 22,413.38
  4. Step 4: Simplify right side
    39,183.62x = 1,212,000,059.22
  5. Step 5: Solve for x
    x = 1,212,000,059.22/39,183.62
  6. Step 6: Final answer
    x = 30,931.30

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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.