Home / 40,318.04-55,632.84-22,413.20

Finding the Fourth Proportional to 40,318.04, 55,632.84 and 22,413.20

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Solution

The fourth proportional to 40,318.04, 55,632.84 and 22,413.20 is: 30,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,318.04 : 55,632.84 = 22,413.20 : x
  2. Step 2: Convert to fraction form
    40,318.04/55,632.84 = 22,413.20/x
  3. Step 3: Cross multiply
    40,318.04x = 55,632.84 × 22,413.20
  4. Step 4: Simplify right side
    40,318.04x = 1,246,909,969.49
  5. Step 5: Solve for x
    x = 1,246,909,969.49/40,318.04
  6. Step 6: Final answer
    x = 30,926.85

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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.