Home / 41,939.64-62,948.34-21,177.72

Finding the Fourth Proportional to 41,939.64, 62,948.34 and 21,177.72

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Solution

The fourth proportional to 41,939.64, 62,948.34 and 21,177.72 is: 31,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,939.64 : 62,948.34 = 21,177.72 : x
  2. Step 2: Convert to fraction form
    41,939.64/62,948.34 = 21,177.72/x
  3. Step 3: Cross multiply
    41,939.64x = 62,948.34 × 21,177.72
  4. Step 4: Simplify right side
    41,939.64x = 1,333,102,318.98
  5. Step 5: Solve for x
    x = 1,333,102,318.98/41,939.64
  6. Step 6: Final answer
    x = 31,786.21

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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.