Home / 64,619.46-96,929.22-20,249.69

Finding the Fourth Proportional to 64,619.46, 96,929.22 and 20,249.69

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Solution

The fourth proportional to 64,619.46, 96,929.22 and 20,249.69 is: 30,374.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,619.46 : 96,929.22 = 20,249.69 : x
  2. Step 2: Convert to fraction form
    64,619.46/96,929.22 = 20,249.69/x
  3. Step 3: Cross multiply
    64,619.46x = 96,929.22 × 20,249.69
  4. Step 4: Simplify right side
    64,619.46x = 1,962,786,172.30
  5. Step 5: Solve for x
    x = 1,962,786,172.30/64,619.46
  6. Step 6: Final answer
    x = 30,374.54

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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.