Home / 38,241.10-57,361.65-11,945.87

Finding the Fourth Proportional to 38,241.10, 57,361.65 and 11,945.87

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Solution

The fourth proportional to 38,241.10, 57,361.65 and 11,945.87 is: 17,918.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,241.10 : 57,361.65 = 11,945.87 : x
  2. Step 2: Convert to fraction form
    38,241.10/57,361.65 = 11,945.87/x
  3. Step 3: Cross multiply
    38,241.10x = 57,361.65 × 11,945.87
  4. Step 4: Simplify right side
    38,241.10x = 685,234,813.89
  5. Step 5: Solve for x
    x = 685,234,813.89/38,241.10
  6. Step 6: Final answer
    x = 17,918.81

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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.