Home / 64,986.25-97,464.39-20,604.73

Finding the Fourth Proportional to 64,986.25, 97,464.39 and 20,604.73

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Solution

The fourth proportional to 64,986.25, 97,464.39 and 20,604.73 is: 30,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,986.25 : 97,464.39 = 20,604.73 : x
  2. Step 2: Convert to fraction form
    64,986.25/97,464.39 = 20,604.73/x
  3. Step 3: Cross multiply
    64,986.25x = 97,464.39 × 20,604.73
  4. Step 4: Simplify right side
    64,986.25x = 2,008,227,440.56
  5. Step 5: Solve for x
    x = 2,008,227,440.56/64,986.25
  6. Step 6: Final answer
    x = 30,902.34

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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.