Home / 49,821.01-74,731.82-18,218.05

Finding the Fourth Proportional to 49,821.01, 74,731.82 and 18,218.05

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Solution

The fourth proportional to 49,821.01, 74,731.82 and 18,218.05 is: 27,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821.01 : 74,731.82 = 18,218.05 : x
  2. Step 2: Convert to fraction form
    49,821.01/74,731.82 = 18,218.05/x
  3. Step 3: Cross multiply
    49,821.01x = 74,731.82 × 18,218.05
  4. Step 4: Simplify right side
    49,821.01x = 1,361,467,755.43
  5. Step 5: Solve for x
    x = 1,361,467,755.43/49,821.01
  6. Step 6: Final answer
    x = 27,327.18

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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.