Home / 34,898.64-48,144.24-20,743.44

Finding the Fourth Proportional to 34,898.64, 48,144.24 and 20,743.44

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Solution

The fourth proportional to 34,898.64, 48,144.24 and 20,743.44 is: 28,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,898.64 : 48,144.24 = 20,743.44 : x
  2. Step 2: Convert to fraction form
    34,898.64/48,144.24 = 20,743.44/x
  3. Step 3: Cross multiply
    34,898.64x = 48,144.24 × 20,743.44
  4. Step 4: Simplify right side
    34,898.64x = 998,677,153.79
  5. Step 5: Solve for x
    x = 998,677,153.79/34,898.64
  6. Step 6: Final answer
    x = 28,616.51

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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.