Home / 36,873.09-55,558.37-30,443.31

Finding the Fourth Proportional to 36,873.09, 55,558.37 and 30,443.31

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Solution

The fourth proportional to 36,873.09, 55,558.37 and 30,443.31 is: 45,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,873.09 : 55,558.37 = 30,443.31 : x
  2. Step 2: Convert to fraction form
    36,873.09/55,558.37 = 30,443.31/x
  3. Step 3: Cross multiply
    36,873.09x = 55,558.37 × 30,443.31
  4. Step 4: Simplify right side
    36,873.09x = 1,691,380,757.11
  5. Step 5: Solve for x
    x = 1,691,380,757.11/36,873.09
  6. Step 6: Final answer
    x = 45,870.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.