Home / 37,082.72-51,173.76-20,315.68

Finding the Fourth Proportional to 37,082.72, 51,173.76 and 20,315.68

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Solution

The fourth proportional to 37,082.72, 51,173.76 and 20,315.68 is: 28,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,082.72 : 51,173.76 = 20,315.68 : x
  2. Step 2: Convert to fraction form
    37,082.72/51,173.76 = 20,315.68/x
  3. Step 3: Cross multiply
    37,082.72x = 51,173.76 × 20,315.68
  4. Step 4: Simplify right side
    37,082.72x = 1,039,629,732.56
  5. Step 5: Solve for x
    x = 1,039,629,732.56/37,082.72
  6. Step 6: Final answer
    x = 28,035.42

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