Home / 36,971.92-51,021.16-20,204.88

Finding the Fourth Proportional to 36,971.92, 51,021.16 and 20,204.88

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Solution

The fourth proportional to 36,971.92, 51,021.16 and 20,204.88 is: 27,882.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,971.92 : 51,021.16 = 20,204.88 : x
  2. Step 2: Convert to fraction form
    36,971.92/51,021.16 = 20,204.88/x
  3. Step 3: Cross multiply
    36,971.92x = 51,021.16 × 20,204.88
  4. Step 4: Simplify right side
    36,971.92x = 1,030,876,415.26
  5. Step 5: Solve for x
    x = 1,030,876,415.26/36,971.92
  6. Step 6: Final answer
    x = 27,882.69

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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.