Home / 30,743.56-46,121.82-9,965.44

Finding the Fourth Proportional to 30,743.56, 46,121.82 and 9,965.44

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Solution

The fourth proportional to 30,743.56, 46,121.82 and 9,965.44 is: 14,950.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,743.56 : 46,121.82 = 9,965.44 : x
  2. Step 2: Convert to fraction form
    30,743.56/46,121.82 = 9,965.44/x
  3. Step 3: Cross multiply
    30,743.56x = 46,121.82 × 9,965.44
  4. Step 4: Simplify right side
    30,743.56x = 459,624,229.90
  5. Step 5: Solve for x
    x = 459,624,229.90/30,743.56
  6. Step 6: Final answer
    x = 14,950.26

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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.