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Finding the Fourth Proportional to 33,047.50, 45,605.19 and 17,940.70

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Solution

The fourth proportional to 33,047.50, 45,605.19 and 17,940.70 is: 24,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,047.50 : 45,605.19 = 17,940.70 : x
  2. Step 2: Convert to fraction form
    33,047.50/45,605.19 = 17,940.70/x
  3. Step 3: Cross multiply
    33,047.50x = 45,605.19 × 17,940.70
  4. Step 4: Simplify right side
    33,047.50x = 818,189,032.23
  5. Step 5: Solve for x
    x = 818,189,032.23/33,047.50
  6. Step 6: Final answer
    x = 24,757.97

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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.