Home / 39,766.44-54,875.37-21,861.44

Finding the Fourth Proportional to 39,766.44, 54,875.37 and 21,861.44

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Solution

The fourth proportional to 39,766.44, 54,875.37 and 21,861.44 is: 30,167.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,766.44 : 54,875.37 = 21,861.44 : x
  2. Step 2: Convert to fraction form
    39,766.44/54,875.37 = 21,861.44/x
  3. Step 3: Cross multiply
    39,766.44x = 54,875.37 × 21,861.44
  4. Step 4: Simplify right side
    39,766.44x = 1,199,654,608.73
  5. Step 5: Solve for x
    x = 1,199,654,608.73/39,766.44
  6. Step 6: Final answer
    x = 30,167.51

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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.