Home / 45,525.78-68,289.48-13,936.86

Finding the Fourth Proportional to 45,525.78, 68,289.48 and 13,936.86

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Solution

The fourth proportional to 45,525.78, 68,289.48 and 13,936.86 is: 20,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,525.78 : 68,289.48 = 13,936.86 : x
  2. Step 2: Convert to fraction form
    45,525.78/68,289.48 = 13,936.86/x
  3. Step 3: Cross multiply
    45,525.78x = 68,289.48 × 13,936.86
  4. Step 4: Simplify right side
    45,525.78x = 951,740,922.23
  5. Step 5: Solve for x
    x = 951,740,922.23/45,525.78
  6. Step 6: Final answer
    x = 20,905.54

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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.