Home / 39,249.37-54,164.39-21,344.57

Finding the Fourth Proportional to 39,249.37, 54,164.39 and 21,344.57

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Solution

The fourth proportional to 39,249.37, 54,164.39 and 21,344.57 is: 29,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,249.37 : 54,164.39 = 21,344.57 : x
  2. Step 2: Convert to fraction form
    39,249.37/54,164.39 = 21,344.57/x
  3. Step 3: Cross multiply
    39,249.37x = 54,164.39 × 21,344.57
  4. Step 4: Simplify right side
    39,249.37x = 1,156,115,613.86
  5. Step 5: Solve for x
    x = 1,156,115,613.86/39,249.37
  6. Step 6: Final answer
    x = 29,455.65

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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.