Home / 38,586.99-57,884.27-19,815.51

Finding the Fourth Proportional to 38,586.99, 57,884.27 and 19,815.51

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Solution

The fourth proportional to 38,586.99, 57,884.27 and 19,815.51 is: 29,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,586.99 : 57,884.27 = 19,815.51 : x
  2. Step 2: Convert to fraction form
    38,586.99/57,884.27 = 19,815.51/x
  3. Step 3: Cross multiply
    38,586.99x = 57,884.27 × 19,815.51
  4. Step 4: Simplify right side
    38,586.99x = 1,147,006,231.95
  5. Step 5: Solve for x
    x = 1,147,006,231.95/38,586.99
  6. Step 6: Final answer
    x = 29,725.21

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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.