Home / 64,511.96-96,764.09-20,132.46

Finding the Fourth Proportional to 64,511.96, 96,764.09 and 20,132.46

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Solution

The fourth proportional to 64,511.96, 96,764.09 and 20,132.46 is: 30,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,511.96 : 96,764.09 = 20,132.46 : x
  2. Step 2: Convert to fraction form
    64,511.96/96,764.09 = 20,132.46/x
  3. Step 3: Cross multiply
    64,511.96x = 96,764.09 × 20,132.46
  4. Step 4: Simplify right side
    64,511.96x = 1,948,099,070.70
  5. Step 5: Solve for x
    x = 1,948,099,070.70/64,511.96
  6. Step 6: Final answer
    x = 30,197.49

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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.