Home / 31,177.80-46,791.31-14,529.26

Finding the Fourth Proportional to 31,177.80, 46,791.31 and 14,529.26

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Solution

The fourth proportional to 31,177.80, 46,791.31 and 14,529.26 is: 21,805.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177.80 : 46,791.31 = 14,529.26 : x
  2. Step 2: Convert to fraction form
    31,177.80/46,791.31 = 14,529.26/x
  3. Step 3: Cross multiply
    31,177.80x = 46,791.31 × 14,529.26
  4. Step 4: Simplify right side
    31,177.80x = 679,843,189.39
  5. Step 5: Solve for x
    x = 679,843,189.39/31,177.80
  6. Step 6: Final answer
    x = 21,805.36

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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.