Home / 31,874.71-43,988.66-17,727.25

Finding the Fourth Proportional to 31,874.71, 43,988.66 and 17,727.25

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Solution

The fourth proportional to 31,874.71, 43,988.66 and 17,727.25 is: 24,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,874.71 : 43,988.66 = 17,727.25 : x
  2. Step 2: Convert to fraction form
    31,874.71/43,988.66 = 17,727.25/x
  3. Step 3: Cross multiply
    31,874.71x = 43,988.66 × 17,727.25
  4. Step 4: Simplify right side
    31,874.71x = 779,797,972.99
  5. Step 5: Solve for x
    x = 779,797,972.99/31,874.71
  6. Step 6: Final answer
    x = 24,464.47

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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.