Home / 39,403.76-54,380.41-22,413.32

Finding the Fourth Proportional to 39,403.76, 54,380.41 and 22,413.32

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Solution

The fourth proportional to 39,403.76, 54,380.41 and 22,413.32 is: 30,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.76 : 54,380.41 = 22,413.32 : x
  2. Step 2: Convert to fraction form
    39,403.76/54,380.41 = 22,413.32/x
  3. Step 3: Cross multiply
    39,403.76x = 54,380.41 × 22,413.32
  4. Step 4: Simplify right side
    39,403.76x = 1,218,845,531.06
  5. Step 5: Solve for x
    x = 1,218,845,531.06/39,403.76
  6. Step 6: Final answer
    x = 30,932.21

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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.