Home / 38,917.14-58,383.91-12,619.83

Finding the Fourth Proportional to 38,917.14, 58,383.91 and 12,619.83

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Solution

The fourth proportional to 38,917.14, 58,383.91 and 12,619.83 is: 18,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,917.14 : 58,383.91 = 12,619.83 : x
  2. Step 2: Convert to fraction form
    38,917.14/58,383.91 = 12,619.83/x
  3. Step 3: Cross multiply
    38,917.14x = 58,383.91 × 12,619.83
  4. Step 4: Simplify right side
    38,917.14x = 736,795,253.65
  5. Step 5: Solve for x
    x = 736,795,253.65/38,917.14
  6. Step 6: Final answer
    x = 18,932.41

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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.