Home / 51,644.28-77,472.60-18,367.74

Finding the Fourth Proportional to 51,644.28, 77,472.60 and 18,367.74

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Solution

The fourth proportional to 51,644.28, 77,472.60 and 18,367.74 is: 27,553.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,644.28 : 77,472.60 = 18,367.74 : x
  2. Step 2: Convert to fraction form
    51,644.28/77,472.60 = 18,367.74/x
  3. Step 3: Cross multiply
    51,644.28x = 77,472.60 × 18,367.74
  4. Step 4: Simplify right side
    51,644.28x = 1,422,996,573.92
  5. Step 5: Solve for x
    x = 1,422,996,573.92/51,644.28
  6. Step 6: Final answer
    x = 27,553.81

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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.