Home / 43,273.71-64,906.91-13,687.24

Finding the Fourth Proportional to 43,273.71, 64,906.91 and 13,687.24

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Solution

The fourth proportional to 43,273.71, 64,906.91 and 13,687.24 is: 20,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,273.71 : 64,906.91 = 13,687.24 : x
  2. Step 2: Convert to fraction form
    43,273.71/64,906.91 = 13,687.24/x
  3. Step 3: Cross multiply
    43,273.71x = 64,906.91 × 13,687.24
  4. Step 4: Simplify right side
    43,273.71x = 888,396,454.83
  5. Step 5: Solve for x
    x = 888,396,454.83/43,273.71
  6. Step 6: Final answer
    x = 20,529.70

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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.