Home / 39,149.42-54,016.83-22,378.22

Finding the Fourth Proportional to 39,149.42, 54,016.83 and 22,378.22

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Solution

The fourth proportional to 39,149.42, 54,016.83 and 22,378.22 is: 30,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,149.42 : 54,016.83 = 22,378.22 : x
  2. Step 2: Convert to fraction form
    39,149.42/54,016.83 = 22,378.22/x
  3. Step 3: Cross multiply
    39,149.42x = 54,016.83 × 22,378.22
  4. Step 4: Simplify right side
    39,149.42x = 1,208,800,505.44
  5. Step 5: Solve for x
    x = 1,208,800,505.44/39,149.42
  6. Step 6: Final answer
    x = 30,876.59

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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.