Home / 39,849.89-54,995.70-22,388.64

Finding the Fourth Proportional to 39,849.89, 54,995.70 and 22,388.64

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Solution

The fourth proportional to 39,849.89, 54,995.70 and 22,388.64 is: 30,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,849.89 : 54,995.70 = 22,388.64 : x
  2. Step 2: Convert to fraction form
    39,849.89/54,995.70 = 22,388.64/x
  3. Step 3: Cross multiply
    39,849.89x = 54,995.70 × 22,388.64
  4. Step 4: Simplify right side
    39,849.89x = 1,231,278,928.85
  5. Step 5: Solve for x
    x = 1,231,278,928.85/39,849.89
  6. Step 6: Final answer
    x = 30,897.93

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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.