Home / 37,170.25-55,725.64-19,391.99

Finding the Fourth Proportional to 37,170.25, 55,725.64 and 19,391.99

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Solution

The fourth proportional to 37,170.25, 55,725.64 and 19,391.99 is: 29,072.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,170.25 : 55,725.64 = 19,391.99 : x
  2. Step 2: Convert to fraction form
    37,170.25/55,725.64 = 19,391.99/x
  3. Step 3: Cross multiply
    37,170.25x = 55,725.64 × 19,391.99
  4. Step 4: Simplify right side
    37,170.25x = 1,080,631,008.21
  5. Step 5: Solve for x
    x = 1,080,631,008.21/37,170.25
  6. Step 6: Final answer
    x = 29,072.47

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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.