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Finding the Fourth Proportional to 33,056, 45,617.40 and 18,152

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Solution

The fourth proportional to 33,056, 45,617.40 and 18,152 is: 25,049.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,056 : 45,617.40 = 18,152 : x
  2. Step 2: Convert to fraction form
    33,056/45,617.40 = 18,152/x
  3. Step 3: Cross multiply
    33,056x = 45,617.40 × 18,152
  4. Step 4: Simplify right side
    33,056x = 828,047,044.80
  5. Step 5: Solve for x
    x = 828,047,044.80/33,056
  6. Step 6: Final answer
    x = 25,049.83

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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.