Home / 53,840.96-80,798.39-18,780.62

Finding the Fourth Proportional to 53,840.96, 80,798.39 and 18,780.62

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Solution

The fourth proportional to 53,840.96, 80,798.39 and 18,780.62 is: 28,183.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,840.96 : 80,798.39 = 18,780.62 : x
  2. Step 2: Convert to fraction form
    53,840.96/80,798.39 = 18,780.62/x
  3. Step 3: Cross multiply
    53,840.96x = 80,798.39 × 18,780.62
  4. Step 4: Simplify right side
    53,840.96x = 1,517,443,361.31
  5. Step 5: Solve for x
    x = 1,517,443,361.31/53,840.96
  6. Step 6: Final answer
    x = 28,183.81

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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.