Home / 53,181.41-73,398.44-40,413.78

Finding the Fourth Proportional to 53,181.41, 73,398.44 and 40,413.78

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Solution

The fourth proportional to 53,181.41, 73,398.44 and 40,413.78 is: 55,777.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,181.41 : 73,398.44 = 40,413.78 : x
  2. Step 2: Convert to fraction form
    53,181.41/73,398.44 = 40,413.78/x
  3. Step 3: Cross multiply
    53,181.41x = 73,398.44 × 40,413.78
  4. Step 4: Simplify right side
    53,181.41x = 2,966,308,507.54
  5. Step 5: Solve for x
    x = 2,966,308,507.54/53,181.41
  6. Step 6: Final answer
    x = 55,777.17

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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.