Home / 30,372.44-41,913.69-16,760.61

Finding the Fourth Proportional to 30,372.44, 41,913.69 and 16,760.61

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Solution

The fourth proportional to 30,372.44, 41,913.69 and 16,760.61 is: 23,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372.44 : 41,913.69 = 16,760.61 : x
  2. Step 2: Convert to fraction form
    30,372.44/41,913.69 = 16,760.61/x
  3. Step 3: Cross multiply
    30,372.44x = 41,913.69 × 16,760.61
  4. Step 4: Simplify right side
    30,372.44x = 702,499,011.75
  5. Step 5: Solve for x
    x = 702,499,011.75/30,372.44
  6. Step 6: Final answer
    x = 23,129.49

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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.