Home / 30,181.12-41,650.22-18,252.43

Finding the Fourth Proportional to 30,181.12, 41,650.22 and 18,252.43

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Solution

The fourth proportional to 30,181.12, 41,650.22 and 18,252.43 is: 25,188.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.12 : 41,650.22 = 18,252.43 : x
  2. Step 2: Convert to fraction form
    30,181.12/41,650.22 = 18,252.43/x
  3. Step 3: Cross multiply
    30,181.12x = 41,650.22 × 18,252.43
  4. Step 4: Simplify right side
    30,181.12x = 760,217,725.03
  5. Step 5: Solve for x
    x = 760,217,725.03/30,181.12
  6. Step 6: Final answer
    x = 25,188.52

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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.