Home / 53,957.05-80,942.96-18,408.82

Finding the Fourth Proportional to 53,957.05, 80,942.96 and 18,408.82

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Solution

The fourth proportional to 53,957.05, 80,942.96 and 18,408.82 is: 27,615.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,957.05 : 80,942.96 = 18,408.82 : x
  2. Step 2: Convert to fraction form
    53,957.05/80,942.96 = 18,408.82/x
  3. Step 3: Cross multiply
    53,957.05x = 80,942.96 × 18,408.82
  4. Step 4: Simplify right side
    53,957.05x = 1,490,064,380.91
  5. Step 5: Solve for x
    x = 1,490,064,380.91/53,957.05
  6. Step 6: Final answer
    x = 27,615.75

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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.