Home / 34,893.18-48,134.25-20,736

Finding the Fourth Proportional to 34,893.18, 48,134.25 and 20,736

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Solution

The fourth proportional to 34,893.18, 48,134.25 and 20,736 is: 28,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,893.18 : 48,134.25 = 20,736 : x
  2. Step 2: Convert to fraction form
    34,893.18/48,134.25 = 20,736/x
  3. Step 3: Cross multiply
    34,893.18x = 48,134.25 × 20,736
  4. Step 4: Simplify right side
    34,893.18x = 998,111,808
  5. Step 5: Solve for x
    x = 998,111,808/34,893.18
  6. Step 6: Final answer
    x = 28,604.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.