Home / 31,174.27-46,745.00-21,316.37

Finding the Fourth Proportional to 31,174.27, 46,745.00 and 21,316.37

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Solution

The fourth proportional to 31,174.27, 46,745.00 and 21,316.37 is: 31,963.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,174.27 : 46,745.00 = 21,316.37 : x
  2. Step 2: Convert to fraction form
    31,174.27/46,745.00 = 21,316.37/x
  3. Step 3: Cross multiply
    31,174.27x = 46,745.00 × 21,316.37
  4. Step 4: Simplify right side
    31,174.27x = 996,433,455.28
  5. Step 5: Solve for x
    x = 996,433,455.28/31,174.27
  6. Step 6: Final answer
    x = 31,963.33

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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.