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Finding the Fourth Proportional to 64,026, 96,039 and 20,250

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Solution

The fourth proportional to 64,026, 96,039 and 20,250 is: 30,375

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,026 : 96,039 = 20,250 : x
  2. Step 2: Convert to fraction form
    64,026/96,039 = 20,250/x
  3. Step 3: Cross multiply
    64,026x = 96,039 × 20,250
  4. Step 4: Simplify right side
    64,026x = 1,944,789,750
  5. Step 5: Solve for x
    x = 1,944,789,750/64,026
  6. Step 6: Final answer
    x = 30,375

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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.