Home / 34,621.97-51,939.90-12,437.15

Finding the Fourth Proportional to 34,621.97, 51,939.90 and 12,437.15

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Solution

The fourth proportional to 34,621.97, 51,939.90 and 12,437.15 is: 18,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,621.97 : 51,939.90 = 12,437.15 : x
  2. Step 2: Convert to fraction form
    34,621.97/51,939.90 = 12,437.15/x
  3. Step 3: Cross multiply
    34,621.97x = 51,939.90 × 12,437.15
  4. Step 4: Simplify right side
    34,621.97x = 645,984,067.59
  5. Step 5: Solve for x
    x = 645,984,067.59/34,621.97
  6. Step 6: Final answer
    x = 18,658.22

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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.