Home / 51,338.42-76,974.50-20,176.82

Finding the Fourth Proportional to 51,338.42, 76,974.50 and 20,176.82

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Solution

The fourth proportional to 51,338.42, 76,974.50 and 20,176.82 is: 30,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,338.42 : 76,974.50 = 20,176.82 : x
  2. Step 2: Convert to fraction form
    51,338.42/76,974.50 = 20,176.82/x
  3. Step 3: Cross multiply
    51,338.42x = 76,974.50 × 20,176.82
  4. Step 4: Simplify right side
    51,338.42x = 1,553,100,631.09
  5. Step 5: Solve for x
    x = 1,553,100,631.09/51,338.42
  6. Step 6: Final answer
    x = 30,252.21

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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.