Home / 31,269.96-43,156.26-18,694.44

Finding the Fourth Proportional to 31,269.96, 43,156.26 and 18,694.44

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Solution

The fourth proportional to 31,269.96, 43,156.26 and 18,694.44 is: 25,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,269.96 : 43,156.26 = 18,694.44 : x
  2. Step 2: Convert to fraction form
    31,269.96/43,156.26 = 18,694.44/x
  3. Step 3: Cross multiply
    31,269.96x = 43,156.26 × 18,694.44
  4. Step 4: Simplify right side
    31,269.96x = 806,782,113.19
  5. Step 5: Solve for x
    x = 806,782,113.19/31,269.96
  6. Step 6: Final answer
    x = 25,800.55

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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.