Home / 54,754.46-82,136.87-15,311.57

Finding the Fourth Proportional to 54,754.46, 82,136.87 and 15,311.57

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Solution

The fourth proportional to 54,754.46, 82,136.87 and 15,311.57 is: 22,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,754.46 : 82,136.87 = 15,311.57 : x
  2. Step 2: Convert to fraction form
    54,754.46/82,136.87 = 15,311.57/x
  3. Step 3: Cross multiply
    54,754.46x = 82,136.87 × 15,311.57
  4. Step 4: Simplify right side
    54,754.46x = 1,257,644,434.59
  5. Step 5: Solve for x
    x = 1,257,644,434.59/54,754.46
  6. Step 6: Final answer
    x = 22,968.80

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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.