Home / 61,413.78-92,009.43-28,161.66

Finding the Fourth Proportional to 61,413.78, 92,009.43 and 28,161.66

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Solution

The fourth proportional to 61,413.78, 92,009.43 and 28,161.66 is: 42,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,413.78 : 92,009.43 = 28,161.66 : x
  2. Step 2: Convert to fraction form
    61,413.78/92,009.43 = 28,161.66/x
  3. Step 3: Cross multiply
    61,413.78x = 92,009.43 × 28,161.66
  4. Step 4: Simplify right side
    61,413.78x = 2,591,138,284.45
  5. Step 5: Solve for x
    x = 2,591,138,284.45/61,413.78
  6. Step 6: Final answer
    x = 42,191.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.