Home / 38,676.85-58,007.98-18,942.82

Finding the Fourth Proportional to 38,676.85, 58,007.98 and 18,942.82

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Solution

The fourth proportional to 38,676.85, 58,007.98 and 18,942.82 is: 28,410.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,676.85 : 58,007.98 = 18,942.82 : x
  2. Step 2: Convert to fraction form
    38,676.85/58,007.98 = 18,942.82/x
  3. Step 3: Cross multiply
    38,676.85x = 58,007.98 × 18,942.82
  4. Step 4: Simplify right side
    38,676.85x = 1,098,834,723.70
  5. Step 5: Solve for x
    x = 1,098,834,723.70/38,676.85
  6. Step 6: Final answer
    x = 28,410.66

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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.