Home / 39,672.72-54,739.80-22,896

Finding the Fourth Proportional to 39,672.72, 54,739.80 and 22,896

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Solution

The fourth proportional to 39,672.72, 54,739.80 and 22,896 is: 31,591.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,672.72 : 54,739.80 = 22,896 : x
  2. Step 2: Convert to fraction form
    39,672.72/54,739.80 = 22,896/x
  3. Step 3: Cross multiply
    39,672.72x = 54,739.80 × 22,896
  4. Step 4: Simplify right side
    39,672.72x = 1,253,322,460.80
  5. Step 5: Solve for x
    x = 1,253,322,460.80/39,672.72
  6. Step 6: Final answer
    x = 31,591.54

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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.