Home / 30,218.92-41,702.58-16,791.43

Finding the Fourth Proportional to 30,218.92, 41,702.58 and 16,791.43

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Solution

The fourth proportional to 30,218.92, 41,702.58 and 16,791.43 is: 23,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218.92 : 41,702.58 = 16,791.43 : x
  2. Step 2: Convert to fraction form
    30,218.92/41,702.58 = 16,791.43/x
  3. Step 3: Cross multiply
    30,218.92x = 41,702.58 × 16,791.43
  4. Step 4: Simplify right side
    30,218.92x = 700,245,952.89
  5. Step 5: Solve for x
    x = 700,245,952.89/30,218.92
  6. Step 6: Final answer
    x = 23,172.43

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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.