Home / 37,469.78-51,710.26-21,556.62

Finding the Fourth Proportional to 37,469.78, 51,710.26 and 21,556.62

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Solution

The fourth proportional to 37,469.78, 51,710.26 and 21,556.62 is: 29,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,469.78 : 51,710.26 = 21,556.62 : x
  2. Step 2: Convert to fraction form
    37,469.78/51,710.26 = 21,556.62/x
  3. Step 3: Cross multiply
    37,469.78x = 51,710.26 × 21,556.62
  4. Step 4: Simplify right side
    37,469.78x = 1,114,698,424.92
  5. Step 5: Solve for x
    x = 1,114,698,424.92/37,469.78
  6. Step 6: Final answer
    x = 29,749.27

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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.