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Finding the Fourth Proportional to 35,294.70, 52,963.98 and 21,993.80

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Solution

The fourth proportional to 35,294.70, 52,963.98 and 21,993.80 is: 33,004.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,294.70 : 52,963.98 = 21,993.80 : x
  2. Step 2: Convert to fraction form
    35,294.70/52,963.98 = 21,993.80/x
  3. Step 3: Cross multiply
    35,294.70x = 52,963.98 × 21,993.80
  4. Step 4: Simplify right side
    35,294.70x = 1,164,879,183.32
  5. Step 5: Solve for x
    x = 1,164,879,183.32/35,294.70
  6. Step 6: Final answer
    x = 33,004.37

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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.