Home / 37,046.31-51,123.38-21,131.03

Finding the Fourth Proportional to 37,046.31, 51,123.38 and 21,131.03

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Solution

The fourth proportional to 37,046.31, 51,123.38 and 21,131.03 is: 29,160.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,046.31 : 51,123.38 = 21,131.03 : x
  2. Step 2: Convert to fraction form
    37,046.31/51,123.38 = 21,131.03/x
  3. Step 3: Cross multiply
    37,046.31x = 51,123.38 × 21,131.03
  4. Step 4: Simplify right side
    37,046.31x = 1,080,289,676.48
  5. Step 5: Solve for x
    x = 1,080,289,676.48/37,046.31
  6. Step 6: Final answer
    x = 29,160.52

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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.