Home / 51,564.27-71,137.41-31,413.78

Finding the Fourth Proportional to 51,564.27, 71,137.41 and 31,413.78

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Solution

The fourth proportional to 51,564.27, 71,137.41 and 31,413.78 is: 43,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,564.27 : 71,137.41 = 31,413.78 : x
  2. Step 2: Convert to fraction form
    51,564.27/71,137.41 = 31,413.78/x
  3. Step 3: Cross multiply
    51,564.27x = 71,137.41 × 31,413.78
  4. Step 4: Simplify right side
    51,564.27x = 2,234,694,947.51
  5. Step 5: Solve for x
    x = 2,234,694,947.51/51,564.27
  6. Step 6: Final answer
    x = 43,338.05

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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.