Home / 45,456.27-68,162.54-19,146.66

Finding the Fourth Proportional to 45,456.27, 68,162.54 and 19,146.66

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Solution

The fourth proportional to 45,456.27, 68,162.54 and 19,146.66 is: 28,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,456.27 : 68,162.54 = 19,146.66 : x
  2. Step 2: Convert to fraction form
    45,456.27/68,162.54 = 19,146.66/x
  3. Step 3: Cross multiply
    45,456.27x = 68,162.54 × 19,146.66
  4. Step 4: Simplify right side
    45,456.27x = 1,305,084,882.38
  5. Step 5: Solve for x
    x = 1,305,084,882.38/45,456.27
  6. Step 6: Final answer
    x = 28,710.78

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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.