Home / 39,849.76-54,993.08-21,946.44

Finding the Fourth Proportional to 39,849.76, 54,993.08 and 21,946.44

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Solution

The fourth proportional to 39,849.76, 54,993.08 and 21,946.44 is: 30,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,849.76 : 54,993.08 = 21,946.44 : x
  2. Step 2: Convert to fraction form
    39,849.76/54,993.08 = 21,946.44/x
  3. Step 3: Cross multiply
    39,849.76x = 54,993.08 × 21,946.44
  4. Step 4: Simplify right side
    39,849.76x = 1,206,902,330.64
  5. Step 5: Solve for x
    x = 1,206,902,330.64/39,849.76
  6. Step 6: Final answer
    x = 30,286.31

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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.