Home / 45,542.42-68,336.87-30,720.28

Finding the Fourth Proportional to 45,542.42, 68,336.87 and 30,720.28

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Solution

The fourth proportional to 45,542.42, 68,336.87 and 30,720.28 is: 46,096.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,542.42 : 68,336.87 = 30,720.28 : x
  2. Step 2: Convert to fraction form
    45,542.42/68,336.87 = 30,720.28/x
  3. Step 3: Cross multiply
    45,542.42x = 68,336.87 × 30,720.28
  4. Step 4: Simplify right side
    45,542.42x = 2,099,327,456.28
  5. Step 5: Solve for x
    x = 2,099,327,456.28/45,542.42
  6. Step 6: Final answer
    x = 46,096.09

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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.