Home / 40,154.65-55,413.32-22,249.46

Finding the Fourth Proportional to 40,154.65, 55,413.32 and 22,249.46

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Solution

The fourth proportional to 40,154.65, 55,413.32 and 22,249.46 is: 30,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,154.65 : 55,413.32 = 22,249.46 : x
  2. Step 2: Convert to fraction form
    40,154.65/55,413.32 = 22,249.46/x
  3. Step 3: Cross multiply
    40,154.65x = 55,413.32 × 22,249.46
  4. Step 4: Simplify right side
    40,154.65x = 1,232,916,474.09
  5. Step 5: Solve for x
    x = 1,232,916,474.09/40,154.65
  6. Step 6: Final answer
    x = 30,704.20

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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.