Home / 31,110.14-46,665.24-7,736.57

Finding the Fourth Proportional to 31,110.14, 46,665.24 and 7,736.57

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Solution

The fourth proportional to 31,110.14, 46,665.24 and 7,736.57 is: 11,604.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,110.14 : 46,665.24 = 7,736.57 : x
  2. Step 2: Convert to fraction form
    31,110.14/46,665.24 = 7,736.57/x
  3. Step 3: Cross multiply
    31,110.14x = 46,665.24 × 7,736.57
  4. Step 4: Simplify right side
    31,110.14x = 361,028,983.48
  5. Step 5: Solve for x
    x = 361,028,983.48/31,110.14
  6. Step 6: Final answer
    x = 11,604.87

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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.