Home / 37,520.72-51,778.59-21,608.24

Finding the Fourth Proportional to 37,520.72, 51,778.59 and 21,608.24

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Solution

The fourth proportional to 37,520.72, 51,778.59 and 21,608.24 is: 29,819.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,520.72 : 51,778.59 = 21,608.24 : x
  2. Step 2: Convert to fraction form
    37,520.72/51,778.59 = 21,608.24/x
  3. Step 3: Cross multiply
    37,520.72x = 51,778.59 × 21,608.24
  4. Step 4: Simplify right side
    37,520.72x = 1,118,844,418.09
  5. Step 5: Solve for x
    x = 1,118,844,418.09/37,520.72
  6. Step 6: Final answer
    x = 29,819.38

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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.