Home / 36,579.70-54,869.55-21,805.30

Finding the Fourth Proportional to 36,579.70, 54,869.55 and 21,805.30

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Solution

The fourth proportional to 36,579.70, 54,869.55 and 21,805.30 is: 32,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,579.70 : 54,869.55 = 21,805.30 : x
  2. Step 2: Convert to fraction form
    36,579.70/54,869.55 = 21,805.30/x
  3. Step 3: Cross multiply
    36,579.70x = 54,869.55 × 21,805.30
  4. Step 4: Simplify right side
    36,579.70x = 1,196,446,998.62
  5. Step 5: Solve for x
    x = 1,196,446,998.62/36,579.70
  6. Step 6: Final answer
    x = 32,707.95

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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.