Home / 40,318.17-55,640.96-22,413.45

Finding the Fourth Proportional to 40,318.17, 55,640.96 and 22,413.45

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Solution

The fourth proportional to 40,318.17, 55,640.96 and 22,413.45 is: 30,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,318.17 : 55,640.96 = 22,413.45 : x
  2. Step 2: Convert to fraction form
    40,318.17/55,640.96 = 22,413.45/x
  3. Step 3: Cross multiply
    40,318.17x = 55,640.96 × 22,413.45
  4. Step 4: Simplify right side
    40,318.17x = 1,247,106,055.55
  5. Step 5: Solve for x
    x = 1,247,106,055.55/40,318.17
  6. Step 6: Final answer
    x = 30,931.62

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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.