Home / 31,721.76-43,773.84-17,573.28

Finding the Fourth Proportional to 31,721.76, 43,773.84 and 17,573.28

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Solution

The fourth proportional to 31,721.76, 43,773.84 and 17,573.28 is: 24,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,721.76 : 43,773.84 = 17,573.28 : x
  2. Step 2: Convert to fraction form
    31,721.76/43,773.84 = 17,573.28/x
  3. Step 3: Cross multiply
    31,721.76x = 43,773.84 × 17,573.28
  4. Step 4: Simplify right side
    31,721.76x = 769,249,947.00
  5. Step 5: Solve for x
    x = 769,249,947.00/31,721.76
  6. Step 6: Final answer
    x = 24,249.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.