Home / 30,422-41,983.26-16,993.82

Finding the Fourth Proportional to 30,422, 41,983.26 and 16,993.82

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Solution

The fourth proportional to 30,422, 41,983.26 and 16,993.82 is: 23,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,422 : 41,983.26 = 16,993.82 : x
  2. Step 2: Convert to fraction form
    30,422/41,983.26 = 16,993.82/x
  3. Step 3: Cross multiply
    30,422x = 41,983.26 × 16,993.82
  4. Step 4: Simplify right side
    30,422x = 713,455,963.45
  5. Step 5: Solve for x
    x = 713,455,963.45/30,422
  6. Step 6: Final answer
    x = 23,451.97

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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.