Home / 29,871.69-41,221.61-16,443.81

Finding the Fourth Proportional to 29,871.69, 41,221.61 and 16,443.81

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Solution

The fourth proportional to 29,871.69, 41,221.61 and 16,443.81 is: 22,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,871.69 : 41,221.61 = 16,443.81 : x
  2. Step 2: Convert to fraction form
    29,871.69/41,221.61 = 16,443.81/x
  3. Step 3: Cross multiply
    29,871.69x = 41,221.61 × 16,443.81
  4. Step 4: Simplify right side
    29,871.69x = 677,840,302.18
  5. Step 5: Solve for x
    x = 677,840,302.18/29,871.69
  6. Step 6: Final answer
    x = 22,691.73

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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.