Home / 30,413.36-41,990.19-27,221.13

Finding the Fourth Proportional to 30,413.36, 41,990.19 and 27,221.13

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Solution

The fourth proportional to 30,413.36, 41,990.19 and 27,221.13 is: 37,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,413.36 : 41,990.19 = 27,221.13 : x
  2. Step 2: Convert to fraction form
    30,413.36/41,990.19 = 27,221.13/x
  3. Step 3: Cross multiply
    30,413.36x = 41,990.19 × 27,221.13
  4. Step 4: Simplify right side
    30,413.36x = 1,143,020,284.61
  5. Step 5: Solve for x
    x = 1,143,020,284.61/30,413.36
  6. Step 6: Final answer
    x = 37,582.83

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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.