Home / 40,891.12-56,413.76-22,982

Finding the Fourth Proportional to 40,891.12, 56,413.76 and 22,982

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Solution

The fourth proportional to 40,891.12, 56,413.76 and 22,982 is: 31,706.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,891.12 : 56,413.76 = 22,982 : x
  2. Step 2: Convert to fraction form
    40,891.12/56,413.76 = 22,982/x
  3. Step 3: Cross multiply
    40,891.12x = 56,413.76 × 22,982
  4. Step 4: Simplify right side
    40,891.12x = 1,296,501,032.32
  5. Step 5: Solve for x
    x = 1,296,501,032.32/40,891.12
  6. Step 6: Final answer
    x = 31,706.18

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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.