Home / 36,975.15-51,021.09-21,057.57

Finding the Fourth Proportional to 36,975.15, 51,021.09 and 21,057.57

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Solution

The fourth proportional to 36,975.15, 51,021.09 and 21,057.57 is: 29,056.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,975.15 : 51,021.09 = 21,057.57 : x
  2. Step 2: Convert to fraction form
    36,975.15/51,021.09 = 21,057.57/x
  3. Step 3: Cross multiply
    36,975.15x = 51,021.09 × 21,057.57
  4. Step 4: Simplify right side
    36,975.15x = 1,074,380,174.15
  5. Step 5: Solve for x
    x = 1,074,380,174.15/36,975.15
  6. Step 6: Final answer
    x = 29,056.82

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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.