Home / 64,508.22-96,712.65-20,108.70

Finding the Fourth Proportional to 64,508.22, 96,712.65 and 20,108.70

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Solution

The fourth proportional to 64,508.22, 96,712.65 and 20,108.70 is: 30,147.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,508.22 : 96,712.65 = 20,108.70 : x
  2. Step 2: Convert to fraction form
    64,508.22/96,712.65 = 20,108.70/x
  3. Step 3: Cross multiply
    64,508.22x = 96,712.65 × 20,108.70
  4. Step 4: Simplify right side
    64,508.22x = 1,944,765,665.06
  5. Step 5: Solve for x
    x = 1,944,765,665.06/64,508.22
  6. Step 6: Final answer
    x = 30,147.56

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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.