Home / 39,249.18-54,163.62-21,344.04

Finding the Fourth Proportional to 39,249.18, 54,163.62 and 21,344.04

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Solution

The fourth proportional to 39,249.18, 54,163.62 and 21,344.04 is: 29,454.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,249.18 : 54,163.62 = 21,344.04 : x
  2. Step 2: Convert to fraction form
    39,249.18/54,163.62 = 21,344.04/x
  3. Step 3: Cross multiply
    39,249.18x = 54,163.62 × 21,344.04
  4. Step 4: Simplify right side
    39,249.18x = 1,156,070,471.82
  5. Step 5: Solve for x
    x = 1,156,070,471.82/39,249.18
  6. Step 6: Final answer
    x = 29,454.64

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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.