Home / 47,474.98-71,222.07-21,179.72

Finding the Fourth Proportional to 47,474.98, 71,222.07 and 21,179.72

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Solution

The fourth proportional to 47,474.98, 71,222.07 and 21,179.72 is: 31,773.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,474.98 : 71,222.07 = 21,179.72 : x
  2. Step 2: Convert to fraction form
    47,474.98/71,222.07 = 21,179.72/x
  3. Step 3: Cross multiply
    47,474.98x = 71,222.07 × 21,179.72
  4. Step 4: Simplify right side
    47,474.98x = 1,508,463,678.48
  5. Step 5: Solve for x
    x = 1,508,463,678.48/47,474.98
  6. Step 6: Final answer
    x = 31,773.87

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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.