Home / 20,579.33-30,868.94-4,996.95

Finding the Fourth Proportional to 20,579.33, 30,868.94 and 4,996.95

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Solution

The fourth proportional to 20,579.33, 30,868.94 and 4,996.95 is: 7,495.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,579.33 : 30,868.94 = 4,996.95 : x
  2. Step 2: Convert to fraction form
    20,579.33/30,868.94 = 4,996.95/x
  3. Step 3: Cross multiply
    20,579.33x = 30,868.94 × 4,996.95
  4. Step 4: Simplify right side
    20,579.33x = 154,250,628.38
  5. Step 5: Solve for x
    x = 154,250,628.38/20,579.33
  6. Step 6: Final answer
    x = 7,495.42

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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.