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Finding the Fourth Proportional to 33,571.00, 50,311.13 and 12,783.16

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Solution

The fourth proportional to 33,571.00, 50,311.13 and 12,783.16 is: 19,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,571.00 : 50,311.13 = 12,783.16 : x
  2. Step 2: Convert to fraction form
    33,571.00/50,311.13 = 12,783.16/x
  3. Step 3: Cross multiply
    33,571.00x = 50,311.13 × 12,783.16
  4. Step 4: Simplify right side
    33,571.00x = 643,135,130.75
  5. Step 5: Solve for x
    x = 643,135,130.75/33,571.00
  6. Step 6: Final answer
    x = 19,157.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.