Home / 31,867.84-43,976.58-17,720.44

Finding the Fourth Proportional to 31,867.84, 43,976.58 and 17,720.44

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Solution

The fourth proportional to 31,867.84, 43,976.58 and 17,720.44 is: 24,453.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.84 : 43,976.58 = 17,720.44 : x
  2. Step 2: Convert to fraction form
    31,867.84/43,976.58 = 17,720.44/x
  3. Step 3: Cross multiply
    31,867.84x = 43,976.58 × 17,720.44
  4. Step 4: Simplify right side
    31,867.84x = 779,284,347.30
  5. Step 5: Solve for x
    x = 779,284,347.30/31,867.84
  6. Step 6: Final answer
    x = 24,453.63

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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.