Home / 64,936.44-97,419.24-20,559.78

Finding the Fourth Proportional to 64,936.44, 97,419.24 and 20,559.78

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Solution

The fourth proportional to 64,936.44, 97,419.24 and 20,559.78 is: 30,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,936.44 : 97,419.24 = 20,559.78 : x
  2. Step 2: Convert to fraction form
    64,936.44/97,419.24 = 20,559.78/x
  3. Step 3: Cross multiply
    64,936.44x = 97,419.24 × 20,559.78
  4. Step 4: Simplify right side
    64,936.44x = 2,002,918,142.17
  5. Step 5: Solve for x
    x = 2,002,918,142.17/64,936.44
  6. Step 6: Final answer
    x = 30,844.29

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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.