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Finding the Fourth Proportional to 33,550.40, 50,318.40 and 14,830.40

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Solution

The fourth proportional to 33,550.40, 50,318.40 and 14,830.40 is: 22,242.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,550.40 : 50,318.40 = 14,830.40 : x
  2. Step 2: Convert to fraction form
    33,550.40/50,318.40 = 14,830.40/x
  3. Step 3: Cross multiply
    33,550.40x = 50,318.40 × 14,830.40
  4. Step 4: Simplify right side
    33,550.40x = 746,241,999.36
  5. Step 5: Solve for x
    x = 746,241,999.36/33,550.40
  6. Step 6: Final answer
    x = 22,242.42

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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.