Home / 51,699.94-71,346.60-49,911.85

Finding the Fourth Proportional to 51,699.94, 71,346.60 and 49,911.85

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Solution

The fourth proportional to 51,699.94, 71,346.60 and 49,911.85 is: 68,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,699.94 : 71,346.60 = 49,911.85 : x
  2. Step 2: Convert to fraction form
    51,699.94/71,346.60 = 49,911.85/x
  3. Step 3: Cross multiply
    51,699.94x = 71,346.60 × 49,911.85
  4. Step 4: Simplify right side
    51,699.94x = 3,561,040,797.21
  5. Step 5: Solve for x
    x = 3,561,040,797.21/51,699.94
  6. Step 6: Final answer
    x = 68,879.01

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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.