Home / 36,330.82-50,136.79-19,978.31

Finding the Fourth Proportional to 36,330.82, 50,136.79 and 19,978.31

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Solution

The fourth proportional to 36,330.82, 50,136.79 and 19,978.31 is: 27,570.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,330.82 : 50,136.79 = 19,978.31 : x
  2. Step 2: Convert to fraction form
    36,330.82/50,136.79 = 19,978.31/x
  3. Step 3: Cross multiply
    36,330.82x = 50,136.79 × 19,978.31
  4. Step 4: Simplify right side
    36,330.82x = 1,001,648,295.33
  5. Step 5: Solve for x
    x = 1,001,648,295.33/36,330.82
  6. Step 6: Final answer
    x = 27,570.21

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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.