Home / 33,630.07-46,413.94-21,728.03

Finding the Fourth Proportional to 33,630.07, 46,413.94 and 21,728.03

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Solution

The fourth proportional to 33,630.07, 46,413.94 and 21,728.03 is: 29,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,630.07 : 46,413.94 = 21,728.03 : x
  2. Step 2: Convert to fraction form
    33,630.07/46,413.94 = 21,728.03/x
  3. Step 3: Cross multiply
    33,630.07x = 46,413.94 × 21,728.03
  4. Step 4: Simplify right side
    33,630.07x = 1,008,483,480.74
  5. Step 5: Solve for x
    x = 1,008,483,480.74/33,630.07
  6. Step 6: Final answer
    x = 29,987.55

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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.