Home / 30,195.70-41,665.73-16,767.12

Finding the Fourth Proportional to 30,195.70, 41,665.73 and 16,767.12

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Solution

The fourth proportional to 30,195.70, 41,665.73 and 16,767.12 is: 23,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.70 : 41,665.73 = 16,767.12 : x
  2. Step 2: Convert to fraction form
    30,195.70/41,665.73 = 16,767.12/x
  3. Step 3: Cross multiply
    30,195.70x = 41,665.73 × 16,767.12
  4. Step 4: Simplify right side
    30,195.70x = 698,614,128.39
  5. Step 5: Solve for x
    x = 698,614,128.39/30,195.70
  6. Step 6: Final answer
    x = 23,136.21

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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.