Home / 37,046.26-51,123.30-21,130.96

Finding the Fourth Proportional to 37,046.26, 51,123.30 and 21,130.96

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Solution

The fourth proportional to 37,046.26, 51,123.30 and 21,130.96 is: 29,160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,046.26 : 51,123.30 = 21,130.96 : x
  2. Step 2: Convert to fraction form
    37,046.26/51,123.30 = 21,130.96/x
  3. Step 3: Cross multiply
    37,046.26x = 51,123.30 × 21,130.96
  4. Step 4: Simplify right side
    37,046.26x = 1,080,284,407.37
  5. Step 5: Solve for x
    x = 1,080,284,407.37/37,046.26
  6. Step 6: Final answer
    x = 29,160.42

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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.