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Finding the Fourth Proportional to 33,019.99, 49,544.60 and 13,336.99

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Solution

The fourth proportional to 33,019.99, 49,544.60 and 13,336.99 is: 20,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,019.99 : 49,544.60 = 13,336.99 : x
  2. Step 2: Convert to fraction form
    33,019.99/49,544.60 = 13,336.99/x
  3. Step 3: Cross multiply
    33,019.99x = 49,544.60 × 13,336.99
  4. Step 4: Simplify right side
    33,019.99x = 660,775,644.21
  5. Step 5: Solve for x
    x = 660,775,644.21/33,019.99
  6. Step 6: Final answer
    x = 20,011.38

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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.