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Finding the Fourth Proportional to 33,998.40, 51,005.70 and 16,453.80

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Solution

The fourth proportional to 33,998.40, 51,005.70 and 16,453.80 is: 24,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,998.40 : 51,005.70 = 16,453.80 : x
  2. Step 2: Convert to fraction form
    33,998.40/51,005.70 = 16,453.80/x
  3. Step 3: Cross multiply
    33,998.40x = 51,005.70 × 16,453.80
  4. Step 4: Simplify right side
    33,998.40x = 839,237,586.66
  5. Step 5: Solve for x
    x = 839,237,586.66/33,998.40
  6. Step 6: Final answer
    x = 24,684.62

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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.