Home / 38,207.70-57,317.31-11,914.50

Finding the Fourth Proportional to 38,207.70, 57,317.31 and 11,914.50

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Solution

The fourth proportional to 38,207.70, 57,317.31 and 11,914.50 is: 17,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,207.70 : 57,317.31 = 11,914.50 : x
  2. Step 2: Convert to fraction form
    38,207.70/57,317.31 = 11,914.50/x
  3. Step 3: Cross multiply
    38,207.70x = 57,317.31 × 11,914.50
  4. Step 4: Simplify right side
    38,207.70x = 682,907,090.00
  5. Step 5: Solve for x
    x = 682,907,090.00/38,207.70
  6. Step 6: Final answer
    x = 17,873.55

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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.