Home / 31,044.43-42,839.97-16,896.97

Finding the Fourth Proportional to 31,044.43, 42,839.97 and 16,896.97

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Solution

The fourth proportional to 31,044.43, 42,839.97 and 16,896.97 is: 23,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,044.43 : 42,839.97 = 16,896.97 : x
  2. Step 2: Convert to fraction form
    31,044.43/42,839.97 = 16,896.97/x
  3. Step 3: Cross multiply
    31,044.43x = 42,839.97 × 16,896.97
  4. Step 4: Simplify right side
    31,044.43x = 723,865,473.69
  5. Step 5: Solve for x
    x = 723,865,473.69/31,044.43
  6. Step 6: Final answer
    x = 23,317.08

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1.5x scale

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.