Home / 45,629.82-68,301.34-29,008.62

Finding the Fourth Proportional to 45,629.82, 68,301.34 and 29,008.62

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Solution

The fourth proportional to 45,629.82, 68,301.34 and 29,008.62 is: 43,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,629.82 : 68,301.34 = 29,008.62 : x
  2. Step 2: Convert to fraction form
    45,629.82/68,301.34 = 29,008.62/x
  3. Step 3: Cross multiply
    45,629.82x = 68,301.34 × 29,008.62
  4. Step 4: Simplify right side
    45,629.82x = 1,981,327,545.03
  5. Step 5: Solve for x
    x = 1,981,327,545.03/45,629.82
  6. Step 6: Final answer
    x = 43,421.77

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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.