Home / 31,177.88-46,772.92-11,456.60

Finding the Fourth Proportional to 31,177.88, 46,772.92 and 11,456.60

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Solution

The fourth proportional to 31,177.88, 46,772.92 and 11,456.60 is: 17,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177.88 : 46,772.92 = 11,456.60 : x
  2. Step 2: Convert to fraction form
    31,177.88/46,772.92 = 11,456.60/x
  3. Step 3: Cross multiply
    31,177.88x = 46,772.92 × 11,456.60
  4. Step 4: Simplify right side
    31,177.88x = 535,858,635.27
  5. Step 5: Solve for x
    x = 535,858,635.27/31,177.88
  6. Step 6: Final answer
    x = 17,187.14

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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.