Home / 40,319.13-55,639.04-22,413.75

Finding the Fourth Proportional to 40,319.13, 55,639.04 and 22,413.75

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Solution

The fourth proportional to 40,319.13, 55,639.04 and 22,413.75 is: 30,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.13 : 55,639.04 = 22,413.75 : x
  2. Step 2: Convert to fraction form
    40,319.13/55,639.04 = 22,413.75/x
  3. Step 3: Cross multiply
    40,319.13x = 55,639.04 × 22,413.75
  4. Step 4: Simplify right side
    40,319.13x = 1,247,079,532.80
  5. Step 5: Solve for x
    x = 1,247,079,532.80/40,319.13
  6. Step 6: Final answer
    x = 30,930.22

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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.