Home / 33,913.24-50,886.36-21,398.20

Finding the Fourth Proportional to 33,913.24, 50,886.36 and 21,398.20

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Solution

The fourth proportional to 33,913.24, 50,886.36 and 21,398.20 is: 32,107.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,913.24 : 50,886.36 = 21,398.20 : x
  2. Step 2: Convert to fraction form
    33,913.24/50,886.36 = 21,398.20/x
  3. Step 3: Cross multiply
    33,913.24x = 50,886.36 × 21,398.20
  4. Step 4: Simplify right side
    33,913.24x = 1,088,876,508.55
  5. Step 5: Solve for x
    x = 1,088,876,508.55/33,913.24
  6. Step 6: Final answer
    x = 32,107.71

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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.