Home / 39,795.68-54,919.44-21,892.04

Finding the Fourth Proportional to 39,795.68, 54,919.44 and 21,892.04

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Solution

The fourth proportional to 39,795.68, 54,919.44 and 21,892.04 is: 30,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,795.68 : 54,919.44 = 21,892.04 : x
  2. Step 2: Convert to fraction form
    39,795.68/54,919.44 = 21,892.04/x
  3. Step 3: Cross multiply
    39,795.68x = 54,919.44 × 21,892.04
  4. Step 4: Simplify right side
    39,795.68x = 1,202,298,577.26
  5. Step 5: Solve for x
    x = 1,202,298,577.26/39,795.68
  6. Step 6: Final answer
    x = 30,211.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.