Home / 43,669.77-65,449.85-18,680.45

Finding the Fourth Proportional to 43,669.77, 65,449.85 and 18,680.45

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Solution

The fourth proportional to 43,669.77, 65,449.85 and 18,680.45 is: 27,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,669.77 : 65,449.85 = 18,680.45 : x
  2. Step 2: Convert to fraction form
    43,669.77/65,449.85 = 18,680.45/x
  3. Step 3: Cross multiply
    43,669.77x = 65,449.85 × 18,680.45
  4. Step 4: Simplify right side
    43,669.77x = 1,222,632,229.78
  5. Step 5: Solve for x
    x = 1,222,632,229.78/43,669.77
  6. Step 6: Final answer
    x = 27,997.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.