Home / 64,154.91-96,226.17-19,769.75

Finding the Fourth Proportional to 64,154.91, 96,226.17 and 19,769.75

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Solution

The fourth proportional to 64,154.91, 96,226.17 and 19,769.75 is: 29,652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,154.91 : 96,226.17 = 19,769.75 : x
  2. Step 2: Convert to fraction form
    64,154.91/96,226.17 = 19,769.75/x
  3. Step 3: Cross multiply
    64,154.91x = 96,226.17 × 19,769.75
  4. Step 4: Simplify right side
    64,154.91x = 1,902,366,843.23
  5. Step 5: Solve for x
    x = 1,902,366,843.23/64,154.91
  6. Step 6: Final answer
    x = 29,652.71

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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.