Home / 36,976.72-51,027.86-20,209.72

Finding the Fourth Proportional to 36,976.72, 51,027.86 and 20,209.72

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Solution

The fourth proportional to 36,976.72, 51,027.86 and 20,209.72 is: 27,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,976.72 : 51,027.86 = 20,209.72 : x
  2. Step 2: Convert to fraction form
    36,976.72/51,027.86 = 20,209.72/x
  3. Step 3: Cross multiply
    36,976.72x = 51,027.86 × 20,209.72
  4. Step 4: Simplify right side
    36,976.72x = 1,031,258,762.80
  5. Step 5: Solve for x
    x = 1,031,258,762.80/36,976.72
  6. Step 6: Final answer
    x = 27,889.41

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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.