Home / 31,314.62-46,940.34-19,636.04

Finding the Fourth Proportional to 31,314.62, 46,940.34 and 19,636.04

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Solution

The fourth proportional to 31,314.62, 46,940.34 and 19,636.04 is: 29,434.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,314.62 : 46,940.34 = 19,636.04 : x
  2. Step 2: Convert to fraction form
    31,314.62/46,940.34 = 19,636.04/x
  3. Step 3: Cross multiply
    31,314.62x = 46,940.34 × 19,636.04
  4. Step 4: Simplify right side
    31,314.62x = 921,722,393.85
  5. Step 5: Solve for x
    x = 921,722,393.85/31,314.62
  6. Step 6: Final answer
    x = 29,434.25

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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.