Home / 31,947.16-44,085.18-18,517.36

Finding the Fourth Proportional to 31,947.16, 44,085.18 and 18,517.36

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Solution

The fourth proportional to 31,947.16, 44,085.18 and 18,517.36 is: 25,552.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947.16 : 44,085.18 = 18,517.36 : x
  2. Step 2: Convert to fraction form
    31,947.16/44,085.18 = 18,517.36/x
  3. Step 3: Cross multiply
    31,947.16x = 44,085.18 × 18,517.36
  4. Step 4: Simplify right side
    31,947.16x = 816,341,148.72
  5. Step 5: Solve for x
    x = 816,341,148.72/31,947.16
  6. Step 6: Final answer
    x = 25,552.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.