Home / 34,781.68-48,006.30-21,359.98

Finding the Fourth Proportional to 34,781.68, 48,006.30 and 21,359.98

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Solution

The fourth proportional to 34,781.68, 48,006.30 and 21,359.98 is: 29,481.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,781.68 : 48,006.30 = 21,359.98 : x
  2. Step 2: Convert to fraction form
    34,781.68/48,006.30 = 21,359.98/x
  3. Step 3: Cross multiply
    34,781.68x = 48,006.30 × 21,359.98
  4. Step 4: Simplify right side
    34,781.68x = 1,025,413,607.87
  5. Step 5: Solve for x
    x = 1,025,413,607.87/34,781.68
  6. Step 6: Final answer
    x = 29,481.43

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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.