Home / 33,413.86-46,130.61-28,930.51

Finding the Fourth Proportional to 33,413.86, 46,130.61 and 28,930.51

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Solution

The fourth proportional to 33,413.86, 46,130.61 and 28,930.51 is: 39,940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,413.86 : 46,130.61 = 28,930.51 : x
  2. Step 2: Convert to fraction form
    33,413.86/46,130.61 = 28,930.51/x
  3. Step 3: Cross multiply
    33,413.86x = 46,130.61 × 28,930.51
  4. Step 4: Simplify right side
    33,413.86x = 1,334,582,073.91
  5. Step 5: Solve for x
    x = 1,334,582,073.91/33,413.86
  6. Step 6: Final answer
    x = 39,940.97

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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.