Home / 34,137.72-51,121.08-21,619.98

Finding the Fourth Proportional to 34,137.72, 51,121.08 and 21,619.98

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Solution

The fourth proportional to 34,137.72, 51,121.08 and 21,619.98 is: 32,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,137.72 : 51,121.08 = 21,619.98 : x
  2. Step 2: Convert to fraction form
    34,137.72/51,121.08 = 21,619.98/x
  3. Step 3: Cross multiply
    34,137.72x = 51,121.08 × 21,619.98
  4. Step 4: Simplify right side
    34,137.72x = 1,105,236,727.18
  5. Step 5: Solve for x
    x = 1,105,236,727.18/34,137.72
  6. Step 6: Final answer
    x = 32,375.82

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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.