Home / 39,134.44-54,005.52-22,138.30

Finding the Fourth Proportional to 39,134.44, 54,005.52 and 22,138.30

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Solution

The fourth proportional to 39,134.44, 54,005.52 and 22,138.30 is: 30,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,134.44 : 54,005.52 = 22,138.30 : x
  2. Step 2: Convert to fraction form
    39,134.44/54,005.52 = 22,138.30/x
  3. Step 3: Cross multiply
    39,134.44x = 54,005.52 × 22,138.30
  4. Step 4: Simplify right side
    39,134.44x = 1,195,590,403.42
  5. Step 5: Solve for x
    x = 1,195,590,403.42/39,134.44
  6. Step 6: Final answer
    x = 30,550.85

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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.