Home / 40,152.54-55,413.63-22,249.20

Finding the Fourth Proportional to 40,152.54, 55,413.63 and 22,249.20

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Solution

The fourth proportional to 40,152.54, 55,413.63 and 22,249.20 is: 30,705.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,152.54 : 55,413.63 = 22,249.20 : x
  2. Step 2: Convert to fraction form
    40,152.54/55,413.63 = 22,249.20/x
  3. Step 3: Cross multiply
    40,152.54x = 55,413.63 × 22,249.20
  4. Step 4: Simplify right side
    40,152.54x = 1,232,908,936.60
  5. Step 5: Solve for x
    x = 1,232,908,936.60/40,152.54
  6. Step 6: Final answer
    x = 30,705.63

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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.