Home / 39,249.56-54,164.13-21,344.52

Finding the Fourth Proportional to 39,249.56, 54,164.13 and 21,344.52

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Solution

The fourth proportional to 39,249.56, 54,164.13 and 21,344.52 is: 29,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,249.56 : 54,164.13 = 21,344.52 : x
  2. Step 2: Convert to fraction form
    39,249.56/54,164.13 = 21,344.52/x
  3. Step 3: Cross multiply
    39,249.56x = 54,164.13 × 21,344.52
  4. Step 4: Simplify right side
    39,249.56x = 1,156,107,473.98
  5. Step 5: Solve for x
    x = 1,156,107,473.98/39,249.56
  6. Step 6: Final answer
    x = 29,455.30

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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.