Home / 38,576.20-57,868.94-13,611.12

Finding the Fourth Proportional to 38,576.20, 57,868.94 and 13,611.12

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Solution

The fourth proportional to 38,576.20, 57,868.94 and 13,611.12 is: 20,418.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,576.20 : 57,868.94 = 13,611.12 : x
  2. Step 2: Convert to fraction form
    38,576.20/57,868.94 = 13,611.12/x
  3. Step 3: Cross multiply
    38,576.20x = 57,868.94 × 13,611.12
  4. Step 4: Simplify right side
    38,576.20x = 787,661,086.61
  5. Step 5: Solve for x
    x = 787,661,086.61/38,576.20
  6. Step 6: Final answer
    x = 20,418.32

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1.5x scale

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.