Home / 40,319.33-55,642.64-22,413.94

Finding the Fourth Proportional to 40,319.33, 55,642.64 and 22,413.94

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Solution

The fourth proportional to 40,319.33, 55,642.64 and 22,413.94 is: 30,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.33 : 55,642.64 = 22,413.94 : x
  2. Step 2: Convert to fraction form
    40,319.33/55,642.64 = 22,413.94/x
  3. Step 3: Cross multiply
    40,319.33x = 55,642.64 × 22,413.94
  4. Step 4: Simplify right side
    40,319.33x = 1,247,170,543.23
  5. Step 5: Solve for x
    x = 1,247,170,543.23/40,319.33
  6. Step 6: Final answer
    x = 30,932.33

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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.