Home / 39,806.54-54,933.87-21,901.58

Finding the Fourth Proportional to 39,806.54, 54,933.87 and 21,901.58

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Solution

The fourth proportional to 39,806.54, 54,933.87 and 21,901.58 is: 30,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806.54 : 54,933.87 = 21,901.58 : x
  2. Step 2: Convert to fraction form
    39,806.54/54,933.87 = 21,901.58/x
  3. Step 3: Cross multiply
    39,806.54x = 54,933.87 × 21,901.58
  4. Step 4: Simplify right side
    39,806.54x = 1,203,138,747.78
  5. Step 5: Solve for x
    x = 1,203,138,747.78/39,806.54
  6. Step 6: Final answer
    x = 30,224.65

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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.