Home / 33,439.11-46,144.74-18,331.44

Finding the Fourth Proportional to 33,439.11, 46,144.74 and 18,331.44

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Solution

The fourth proportional to 33,439.11, 46,144.74 and 18,331.44 is: 25,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,439.11 : 46,144.74 = 18,331.44 : x
  2. Step 2: Convert to fraction form
    33,439.11/46,144.74 = 18,331.44/x
  3. Step 3: Cross multiply
    33,439.11x = 46,144.74 × 18,331.44
  4. Step 4: Simplify right side
    33,439.11x = 845,899,366.99
  5. Step 5: Solve for x
    x = 845,899,366.99/33,439.11
  6. Step 6: Final answer
    x = 25,296.71

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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.