Home / 64,447.20-96,695.10-31,196.70

Finding the Fourth Proportional to 64,447.20, 96,695.10 and 31,196.70

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Solution

The fourth proportional to 64,447.20, 96,695.10 and 31,196.70 is: 46,806.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,447.20 : 96,695.10 = 31,196.70 : x
  2. Step 2: Convert to fraction form
    64,447.20/96,695.10 = 31,196.70/x
  3. Step 3: Cross multiply
    64,447.20x = 96,695.10 × 31,196.70
  4. Step 4: Simplify right side
    64,447.20x = 3,016,568,026.17
  5. Step 5: Solve for x
    x = 3,016,568,026.17/64,447.20
  6. Step 6: Final answer
    x = 46,806.81

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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.