Home / 39,375.72-54,339.30-22,609.80

Finding the Fourth Proportional to 39,375.72, 54,339.30 and 22,609.80

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Solution

The fourth proportional to 39,375.72, 54,339.30 and 22,609.80 is: 31,201.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,375.72 : 54,339.30 = 22,609.80 : x
  2. Step 2: Convert to fraction form
    39,375.72/54,339.30 = 22,609.80/x
  3. Step 3: Cross multiply
    39,375.72x = 54,339.30 × 22,609.80
  4. Step 4: Simplify right side
    39,375.72x = 1,228,600,705.14
  5. Step 5: Solve for x
    x = 1,228,600,705.14/39,375.72
  6. Step 6: Final answer
    x = 31,201.99

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1.5x scale

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.