Home / 39,753.60-54,860.88-21,847.44

Finding the Fourth Proportional to 39,753.60, 54,860.88 and 21,847.44

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Solution

The fourth proportional to 39,753.60, 54,860.88 and 21,847.44 is: 30,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,753.60 : 54,860.88 = 21,847.44 : x
  2. Step 2: Convert to fraction form
    39,753.60/54,860.88 = 21,847.44/x
  3. Step 3: Cross multiply
    39,753.60x = 54,860.88 × 21,847.44
  4. Step 4: Simplify right side
    39,753.60x = 1,198,569,784.15
  5. Step 5: Solve for x
    x = 1,198,569,784.15/39,753.60
  6. Step 6: Final answer
    x = 30,149.97

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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.