Home / 42,183.56-63,212.87-18,469.19

Finding the Fourth Proportional to 42,183.56, 63,212.87 and 18,469.19

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Solution

The fourth proportional to 42,183.56, 63,212.87 and 18,469.19 is: 27,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,183.56 : 63,212.87 = 18,469.19 : x
  2. Step 2: Convert to fraction form
    42,183.56/63,212.87 = 18,469.19/x
  3. Step 3: Cross multiply
    42,183.56x = 63,212.87 × 18,469.19
  4. Step 4: Simplify right side
    42,183.56x = 1,167,490,236.58
  5. Step 5: Solve for x
    x = 1,167,490,236.58/42,183.56
  6. Step 6: Final answer
    x = 27,676.43

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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.