Home / 30,181.40-41,648.39-18,850.22

Finding the Fourth Proportional to 30,181.40, 41,648.39 and 18,850.22

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Solution

The fourth proportional to 30,181.40, 41,648.39 and 18,850.22 is: 26,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.40 : 41,648.39 = 18,850.22 : x
  2. Step 2: Convert to fraction form
    30,181.40/41,648.39 = 18,850.22/x
  3. Step 3: Cross multiply
    30,181.40x = 41,648.39 × 18,850.22
  4. Step 4: Simplify right side
    30,181.40x = 785,081,314.15
  5. Step 5: Solve for x
    x = 785,081,314.15/30,181.40
  6. Step 6: Final answer
    x = 26,012.09

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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.