Home / 33,243.12-45,880.26-21,910.68

Finding the Fourth Proportional to 33,243.12, 45,880.26 and 21,910.68

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Solution

The fourth proportional to 33,243.12, 45,880.26 and 21,910.68 is: 30,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,243.12 : 45,880.26 = 21,910.68 : x
  2. Step 2: Convert to fraction form
    33,243.12/45,880.26 = 21,910.68/x
  3. Step 3: Cross multiply
    33,243.12x = 45,880.26 × 21,910.68
  4. Step 4: Simplify right side
    33,243.12x = 1,005,267,695.18
  5. Step 5: Solve for x
    x = 1,005,267,695.18/33,243.12
  6. Step 6: Final answer
    x = 30,239.87

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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.