Home / 34,175.45-51,238.57-21,000.60

Finding the Fourth Proportional to 34,175.45, 51,238.57 and 21,000.60

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Solution

The fourth proportional to 34,175.45, 51,238.57 and 21,000.60 is: 31,485.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,175.45 : 51,238.57 = 21,000.60 : x
  2. Step 2: Convert to fraction form
    34,175.45/51,238.57 = 21,000.60/x
  3. Step 3: Cross multiply
    34,175.45x = 51,238.57 × 21,000.60
  4. Step 4: Simplify right side
    34,175.45x = 1,076,040,713.14
  5. Step 5: Solve for x
    x = 1,076,040,713.14/34,175.45
  6. Step 6: Final answer
    x = 31,485.78

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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.