Home / 54,910.32-82,364.70-17,472.72

Finding the Fourth Proportional to 54,910.32, 82,364.70 and 17,472.72

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Solution

The fourth proportional to 54,910.32, 82,364.70 and 17,472.72 is: 26,208.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,910.32 : 82,364.70 = 17,472.72 : x
  2. Step 2: Convert to fraction form
    54,910.32/82,364.70 = 17,472.72/x
  3. Step 3: Cross multiply
    54,910.32x = 82,364.70 × 17,472.72
  4. Step 4: Simplify right side
    54,910.32x = 1,439,135,340.98
  5. Step 5: Solve for x
    x = 1,439,135,340.98/54,910.32
  6. Step 6: Final answer
    x = 26,208.83

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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.