Home / 38,082.75-57,130.19-11,787.41

Finding the Fourth Proportional to 38,082.75, 57,130.19 and 11,787.41

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Solution

The fourth proportional to 38,082.75, 57,130.19 and 11,787.41 is: 17,682.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,082.75 : 57,130.19 = 11,787.41 : x
  2. Step 2: Convert to fraction form
    38,082.75/57,130.19 = 11,787.41/x
  3. Step 3: Cross multiply
    38,082.75x = 57,130.19 × 11,787.41
  4. Step 4: Simplify right side
    38,082.75x = 673,416,972.91
  5. Step 5: Solve for x
    x = 673,416,972.91/38,082.75
  6. Step 6: Final answer
    x = 17,682.99

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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.