Home / 64,514.56-96,791.20-20,145.92

Finding the Fourth Proportional to 64,514.56, 96,791.20 and 20,145.92

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Solution

The fourth proportional to 64,514.56, 96,791.20 and 20,145.92 is: 30,224.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,514.56 : 96,791.20 = 20,145.92 : x
  2. Step 2: Convert to fraction form
    64,514.56/96,791.20 = 20,145.92/x
  3. Step 3: Cross multiply
    64,514.56x = 96,791.20 × 20,145.92
  4. Step 4: Simplify right side
    64,514.56x = 1,949,947,771.90
  5. Step 5: Solve for x
    x = 1,949,947,771.90/64,514.56
  6. Step 6: Final answer
    x = 30,224.93

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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.