Home / 29,198.72-43,735.70-12,537.02

Finding the Fourth Proportional to 29,198.72, 43,735.70 and 12,537.02

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Solution

The fourth proportional to 29,198.72, 43,735.70 and 12,537.02 is: 18,778.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,198.72 : 43,735.70 = 12,537.02 : x
  2. Step 2: Convert to fraction form
    29,198.72/43,735.70 = 12,537.02/x
  3. Step 3: Cross multiply
    29,198.72x = 43,735.70 × 12,537.02
  4. Step 4: Simplify right side
    29,198.72x = 548,315,345.61
  5. Step 5: Solve for x
    x = 548,315,345.61/29,198.72
  6. Step 6: Final answer
    x = 18,778.75

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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.