Home / 37,058.23-51,145.19-21,145.78

Finding the Fourth Proportional to 37,058.23, 51,145.19 and 21,145.78

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Solution

The fourth proportional to 37,058.23, 51,145.19 and 21,145.78 is: 29,183.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,058.23 : 51,145.19 = 21,145.78 : x
  2. Step 2: Convert to fraction form
    37,058.23/51,145.19 = 21,145.78/x
  3. Step 3: Cross multiply
    37,058.23x = 51,145.19 × 21,145.78
  4. Step 4: Simplify right side
    37,058.23x = 1,081,504,935.80
  5. Step 5: Solve for x
    x = 1,081,504,935.80/37,058.23
  6. Step 6: Final answer
    x = 29,183.93

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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.