Home / 33,552.48-46,299.12-20,121.36

Finding the Fourth Proportional to 33,552.48, 46,299.12 and 20,121.36

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Solution

The fourth proportional to 33,552.48, 46,299.12 and 20,121.36 is: 27,765.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,552.48 : 46,299.12 = 20,121.36 : x
  2. Step 2: Convert to fraction form
    33,552.48/46,299.12 = 20,121.36/x
  3. Step 3: Cross multiply
    33,552.48x = 46,299.12 × 20,121.36
  4. Step 4: Simplify right side
    33,552.48x = 931,601,261.20
  5. Step 5: Solve for x
    x = 931,601,261.20/33,552.48
  6. Step 6: Final answer
    x = 27,765.50

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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.