Home / 30,175.56-41,651.91-21,249.18

Finding the Fourth Proportional to 30,175.56, 41,651.91 and 21,249.18

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Solution

The fourth proportional to 30,175.56, 41,651.91 and 21,249.18 is: 29,330.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,175.56 : 41,651.91 = 21,249.18 : x
  2. Step 2: Convert to fraction form
    30,175.56/41,651.91 = 21,249.18/x
  3. Step 3: Cross multiply
    30,175.56x = 41,651.91 × 21,249.18
  4. Step 4: Simplify right side
    30,175.56x = 885,068,932.93
  5. Step 5: Solve for x
    x = 885,068,932.93/30,175.56
  6. Step 6: Final answer
    x = 29,330.65

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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.