Home / 47,474.73-71,221.70-21,179.47

Finding the Fourth Proportional to 47,474.73, 71,221.70 and 21,179.47

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Solution

The fourth proportional to 47,474.73, 71,221.70 and 21,179.47 is: 31,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,474.73 : 71,221.70 = 21,179.47 : x
  2. Step 2: Convert to fraction form
    47,474.73/71,221.70 = 21,179.47/x
  3. Step 3: Cross multiply
    47,474.73x = 71,221.70 × 21,179.47
  4. Step 4: Simplify right side
    47,474.73x = 1,508,437,752.60
  5. Step 5: Solve for x
    x = 1,508,437,752.60/47,474.73
  6. Step 6: Final answer
    x = 31,773.49

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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.