Home / 30,133.82-45,175.22-18,422.44

Finding the Fourth Proportional to 30,133.82, 45,175.22 and 18,422.44

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Solution

The fourth proportional to 30,133.82, 45,175.22 and 18,422.44 is: 27,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,133.82 : 45,175.22 = 18,422.44 : x
  2. Step 2: Convert to fraction form
    30,133.82/45,175.22 = 18,422.44/x
  3. Step 3: Cross multiply
    30,133.82x = 45,175.22 × 18,422.44
  4. Step 4: Simplify right side
    30,133.82x = 832,237,643.97
  5. Step 5: Solve for x
    x = 832,237,643.97/30,133.82
  6. Step 6: Final answer
    x = 27,618.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.