Home / 33,346.27-45,972.83-21,388.85

Finding the Fourth Proportional to 33,346.27, 45,972.83 and 21,388.85

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Solution

The fourth proportional to 33,346.27, 45,972.83 and 21,388.85 is: 29,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,346.27 : 45,972.83 = 21,388.85 : x
  2. Step 2: Convert to fraction form
    33,346.27/45,972.83 = 21,388.85/x
  3. Step 3: Cross multiply
    33,346.27x = 45,972.83 × 21,388.85
  4. Step 4: Simplify right side
    33,346.27x = 983,305,964.95
  5. Step 5: Solve for x
    x = 983,305,964.95/33,346.27
  6. Step 6: Final answer
    x = 29,487.73

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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.