Home / 33,431.99-46,157.11-21,516.03

Finding the Fourth Proportional to 33,431.99, 46,157.11 and 21,516.03

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Solution

The fourth proportional to 33,431.99, 46,157.11 and 21,516.03 is: 29,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.99 : 46,157.11 = 21,516.03 : x
  2. Step 2: Convert to fraction form
    33,431.99/46,157.11 = 21,516.03/x
  3. Step 3: Cross multiply
    33,431.99x = 46,157.11 × 21,516.03
  4. Step 4: Simplify right side
    33,431.99x = 993,117,709.68
  5. Step 5: Solve for x
    x = 993,117,709.68/33,431.99
  6. Step 6: Final answer
    x = 29,705.62

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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.