Home / 38,212.48-57,318.16-11,917.48

Finding the Fourth Proportional to 38,212.48, 57,318.16 and 11,917.48

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Solution

The fourth proportional to 38,212.48, 57,318.16 and 11,917.48 is: 17,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,212.48 : 57,318.16 = 11,917.48 : x
  2. Step 2: Convert to fraction form
    38,212.48/57,318.16 = 11,917.48/x
  3. Step 3: Cross multiply
    38,212.48x = 57,318.16 × 11,917.48
  4. Step 4: Simplify right side
    38,212.48x = 683,088,025.44
  5. Step 5: Solve for x
    x = 683,088,025.44/38,212.48
  6. Step 6: Final answer
    x = 17,876.05

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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.