Home / 40,154.78-55,413.66-22,002.62

Finding the Fourth Proportional to 40,154.78, 55,413.66 and 22,002.62

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Solution

The fourth proportional to 40,154.78, 55,413.66 and 22,002.62 is: 30,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,154.78 : 55,413.66 = 22,002.62 : x
  2. Step 2: Convert to fraction form
    40,154.78/55,413.66 = 22,002.62/x
  3. Step 3: Cross multiply
    40,154.78x = 55,413.66 × 22,002.62
  4. Step 4: Simplify right side
    40,154.78x = 1,219,245,426.72
  5. Step 5: Solve for x
    x = 1,219,245,426.72/40,154.78
  6. Step 6: Final answer
    x = 30,363.64

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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.