Home / 30,193.54-41,621.36-21,226.84

Finding the Fourth Proportional to 30,193.54, 41,621.36 and 21,226.84

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Solution

The fourth proportional to 30,193.54, 41,621.36 and 21,226.84 is: 29,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,193.54 : 41,621.36 = 21,226.84 : x
  2. Step 2: Convert to fraction form
    30,193.54/41,621.36 = 21,226.84/x
  3. Step 3: Cross multiply
    30,193.54x = 41,621.36 × 21,226.84
  4. Step 4: Simplify right side
    30,193.54x = 883,489,949.30
  5. Step 5: Solve for x
    x = 883,489,949.30/30,193.54
  6. Step 6: Final answer
    x = 29,260.89

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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.