Home / 36,763.98-50,743.31-20,857.74

Finding the Fourth Proportional to 36,763.98, 50,743.31 and 20,857.74

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Solution

The fourth proportional to 36,763.98, 50,743.31 and 20,857.74 is: 28,788.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,763.98 : 50,743.31 = 20,857.74 : x
  2. Step 2: Convert to fraction form
    36,763.98/50,743.31 = 20,857.74/x
  3. Step 3: Cross multiply
    36,763.98x = 50,743.31 × 20,857.74
  4. Step 4: Simplify right side
    36,763.98x = 1,058,390,662.43
  5. Step 5: Solve for x
    x = 1,058,390,662.43/36,763.98
  6. Step 6: Final answer
    x = 28,788.79

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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.