Home / 41,000.72-61,507.19-12,917.81

Finding the Fourth Proportional to 41,000.72, 61,507.19 and 12,917.81

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Solution

The fourth proportional to 41,000.72, 61,507.19 and 12,917.81 is: 19,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,000.72 : 61,507.19 = 12,917.81 : x
  2. Step 2: Convert to fraction form
    41,000.72/61,507.19 = 12,917.81/x
  3. Step 3: Cross multiply
    41,000.72x = 61,507.19 × 12,917.81
  4. Step 4: Simplify right side
    41,000.72x = 794,538,380.12
  5. Step 5: Solve for x
    x = 794,538,380.12/41,000.72
  6. Step 6: Final answer
    x = 19,378.65

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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.