Home / 37,637.97-51,942.02-21,722.37

Finding the Fourth Proportional to 37,637.97, 51,942.02 and 21,722.37

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Solution

The fourth proportional to 37,637.97, 51,942.02 and 21,722.37 is: 29,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,637.97 : 51,942.02 = 21,722.37 : x
  2. Step 2: Convert to fraction form
    37,637.97/51,942.02 = 21,722.37/x
  3. Step 3: Cross multiply
    37,637.97x = 51,942.02 × 21,722.37
  4. Step 4: Simplify right side
    37,637.97x = 1,128,303,668.38
  5. Step 5: Solve for x
    x = 1,128,303,668.38/37,637.97
  6. Step 6: Final answer
    x = 29,977.80

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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.