Home / 20,505.02-30,757.53-4,922.65

Finding the Fourth Proportional to 20,505.02, 30,757.53 and 4,922.65

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Solution

The fourth proportional to 20,505.02, 30,757.53 and 4,922.65 is: 7,383.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,505.02 : 30,757.53 = 4,922.65 : x
  2. Step 2: Convert to fraction form
    20,505.02/30,757.53 = 4,922.65/x
  3. Step 3: Cross multiply
    20,505.02x = 30,757.53 × 4,922.65
  4. Step 4: Simplify right side
    20,505.02x = 151,408,401.27
  5. Step 5: Solve for x
    x = 151,408,401.27/20,505.02
  6. Step 6: Final answer
    x = 7,383.97

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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.