Home / 54,837.08-82,255.62-31,413.56

Finding the Fourth Proportional to 54,837.08, 82,255.62 and 31,413.56

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Solution

The fourth proportional to 54,837.08, 82,255.62 and 31,413.56 is: 47,120.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,837.08 : 82,255.62 = 31,413.56 : x
  2. Step 2: Convert to fraction form
    54,837.08/82,255.62 = 31,413.56/x
  3. Step 3: Cross multiply
    54,837.08x = 82,255.62 × 31,413.56
  4. Step 4: Simplify right side
    54,837.08x = 2,583,941,854.21
  5. Step 5: Solve for x
    x = 2,583,941,854.21/54,837.08
  6. Step 6: Final answer
    x = 47,120.34

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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.