Home / 38,450.96-57,626.20-19,715.12

Finding the Fourth Proportional to 38,450.96, 57,626.20 and 19,715.12

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Solution

The fourth proportional to 38,450.96, 57,626.20 and 19,715.12 is: 29,546.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,450.96 : 57,626.20 = 19,715.12 : x
  2. Step 2: Convert to fraction form
    38,450.96/57,626.20 = 19,715.12/x
  3. Step 3: Cross multiply
    38,450.96x = 57,626.20 × 19,715.12
  4. Step 4: Simplify right side
    38,450.96x = 1,136,107,448.14
  5. Step 5: Solve for x
    x = 1,136,107,448.14/38,450.96
  6. Step 6: Final answer
    x = 29,546.92

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1.5x scale

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.