Home / 48,474.31-66,904.14-31,454.66

Finding the Fourth Proportional to 48,474.31, 66,904.14 and 31,454.66

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Solution

The fourth proportional to 48,474.31, 66,904.14 and 31,454.66 is: 43,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,474.31 : 66,904.14 = 31,454.66 : x
  2. Step 2: Convert to fraction form
    48,474.31/66,904.14 = 31,454.66/x
  3. Step 3: Cross multiply
    48,474.31x = 66,904.14 × 31,454.66
  4. Step 4: Simplify right side
    48,474.31x = 2,104,446,976.29
  5. Step 5: Solve for x
    x = 2,104,446,976.29/48,474.31
  6. Step 6: Final answer
    x = 43,413.66

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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.