Home / 34,278.73-51,311.49-31,371.91

Finding the Fourth Proportional to 34,278.73, 51,311.49 and 31,371.91

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Solution

The fourth proportional to 34,278.73, 51,311.49 and 31,371.91 is: 46,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,278.73 : 51,311.49 = 31,371.91 : x
  2. Step 2: Convert to fraction form
    34,278.73/51,311.49 = 31,371.91/x
  3. Step 3: Cross multiply
    34,278.73x = 51,311.49 × 31,371.91
  4. Step 4: Simplify right side
    34,278.73x = 1,609,739,446.25
  5. Step 5: Solve for x
    x = 1,609,739,446.25/34,278.73
  6. Step 6: Final answer
    x = 46,960.30

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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.