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Finding the Fourth Proportional to 33,406.20, 46,100.50 and 18,299.50

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Solution

The fourth proportional to 33,406.20, 46,100.50 and 18,299.50 is: 25,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,406.20 : 46,100.50 = 18,299.50 : x
  2. Step 2: Convert to fraction form
    33,406.20/46,100.50 = 18,299.50/x
  3. Step 3: Cross multiply
    33,406.20x = 46,100.50 × 18,299.50
  4. Step 4: Simplify right side
    33,406.20x = 843,616,099.75
  5. Step 5: Solve for x
    x = 843,616,099.75/33,406.20
  6. Step 6: Final answer
    x = 25,253.28

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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.