Home / 41,945.68-62,905.16-13,860.48

Finding the Fourth Proportional to 41,945.68, 62,905.16 and 13,860.48

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Solution

The fourth proportional to 41,945.68, 62,905.16 and 13,860.48 is: 20,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,945.68 : 62,905.16 = 13,860.48 : x
  2. Step 2: Convert to fraction form
    41,945.68/62,905.16 = 13,860.48/x
  3. Step 3: Cross multiply
    41,945.68x = 62,905.16 × 13,860.48
  4. Step 4: Simplify right side
    41,945.68x = 871,895,712.08
  5. Step 5: Solve for x
    x = 871,895,712.08/41,945.68
  6. Step 6: Final answer
    x = 20,786.31

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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.