Home / 39,754.00-54,858.20-21,849.02

Finding the Fourth Proportional to 39,754.00, 54,858.20 and 21,849.02

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Solution

The fourth proportional to 39,754.00, 54,858.20 and 21,849.02 is: 30,150.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,754.00 : 54,858.20 = 21,849.02 : x
  2. Step 2: Convert to fraction form
    39,754.00/54,858.20 = 21,849.02/x
  3. Step 3: Cross multiply
    39,754.00x = 54,858.20 × 21,849.02
  4. Step 4: Simplify right side
    39,754.00x = 1,198,597,956.91
  5. Step 5: Solve for x
    x = 1,198,597,956.91/39,754.00
  6. Step 6: Final answer
    x = 30,150.37

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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.