Home / 29,821.08-41,149.11-18,486.45

Finding the Fourth Proportional to 29,821.08, 41,149.11 and 18,486.45

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Solution

The fourth proportional to 29,821.08, 41,149.11 and 18,486.45 is: 25,508.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,821.08 : 41,149.11 = 18,486.45 : x
  2. Step 2: Convert to fraction form
    29,821.08/41,149.11 = 18,486.45/x
  3. Step 3: Cross multiply
    29,821.08x = 41,149.11 × 18,486.45
  4. Step 4: Simplify right side
    29,821.08x = 760,700,936.23
  5. Step 5: Solve for x
    x = 760,700,936.23/29,821.08
  6. Step 6: Final answer
    x = 25,508.83

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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.