Home / 40,154.18-55,413.86-22,251.15

Finding the Fourth Proportional to 40,154.18, 55,413.86 and 22,251.15

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Solution

The fourth proportional to 40,154.18, 55,413.86 and 22,251.15 is: 30,707.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,154.18 : 55,413.86 = 22,251.15 : x
  2. Step 2: Convert to fraction form
    40,154.18/55,413.86 = 22,251.15/x
  3. Step 3: Cross multiply
    40,154.18x = 55,413.86 × 22,251.15
  4. Step 4: Simplify right side
    40,154.18x = 1,233,021,999.68
  5. Step 5: Solve for x
    x = 1,233,021,999.68/40,154.18
  6. Step 6: Final answer
    x = 30,707.19

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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.