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Finding the Fourth Proportional to 34,788, 48,014.16 and 19,680.56

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Solution

The fourth proportional to 34,788, 48,014.16 and 19,680.56 is: 27,162.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,788 : 48,014.16 = 19,680.56 : x
  2. Step 2: Convert to fraction form
    34,788/48,014.16 = 19,680.56/x
  3. Step 3: Cross multiply
    34,788x = 48,014.16 × 19,680.56
  4. Step 4: Simplify right side
    34,788x = 944,945,556.73
  5. Step 5: Solve for x
    x = 944,945,556.73/34,788
  6. Step 6: Final answer
    x = 27,162.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.