Home / 39,949.64-59,961.26-20,241.92

Finding the Fourth Proportional to 39,949.64, 59,961.26 and 20,241.92

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Solution

The fourth proportional to 39,949.64, 59,961.26 and 20,241.92 is: 30,381.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,949.64 : 59,961.26 = 20,241.92 : x
  2. Step 2: Convert to fraction form
    39,949.64/59,961.26 = 20,241.92/x
  3. Step 3: Cross multiply
    39,949.64x = 59,961.26 × 20,241.92
  4. Step 4: Simplify right side
    39,949.64x = 1,213,731,028.02
  5. Step 5: Solve for x
    x = 1,213,731,028.02/39,949.64
  6. Step 6: Final answer
    x = 30,381.53

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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.