Home / 31,174.88-46,733.76-11,438.42

Finding the Fourth Proportional to 31,174.88, 46,733.76 and 11,438.42

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Solution

The fourth proportional to 31,174.88, 46,733.76 and 11,438.42 is: 17,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,174.88 : 46,733.76 = 11,438.42 : x
  2. Step 2: Convert to fraction form
    31,174.88/46,733.76 = 11,438.42/x
  3. Step 3: Cross multiply
    31,174.88x = 46,733.76 × 11,438.42
  4. Step 4: Simplify right side
    31,174.88x = 534,560,141.39
  5. Step 5: Solve for x
    x = 534,560,141.39/31,174.88
  6. Step 6: Final answer
    x = 17,147.15

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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.