Home / 30,194.55-41,622.75-21,227.85

Finding the Fourth Proportional to 30,194.55, 41,622.75 and 21,227.85

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Solution

The fourth proportional to 30,194.55, 41,622.75 and 21,227.85 is: 29,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,194.55 : 41,622.75 = 21,227.85 : x
  2. Step 2: Convert to fraction form
    30,194.55/41,622.75 = 21,227.85/x
  3. Step 3: Cross multiply
    30,194.55x = 41,622.75 × 21,227.85
  4. Step 4: Simplify right side
    30,194.55x = 883,561,493.59
  5. Step 5: Solve for x
    x = 883,561,493.59/30,194.55
  6. Step 6: Final answer
    x = 29,262.28

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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.