Home / 45,665.75-68,519.15-29,021.47

Finding the Fourth Proportional to 45,665.75, 68,519.15 and 29,021.47

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Solution

The fourth proportional to 45,665.75, 68,519.15 and 29,021.47 is: 43,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,665.75 : 68,519.15 = 29,021.47 : x
  2. Step 2: Convert to fraction form
    45,665.75/68,519.15 = 29,021.47/x
  3. Step 3: Cross multiply
    45,665.75x = 68,519.15 × 29,021.47
  4. Step 4: Simplify right side
    45,665.75x = 1,988,526,456.15
  5. Step 5: Solve for x
    x = 1,988,526,456.15/45,665.75
  6. Step 6: Final answer
    x = 43,545.25

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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.