Home / 31,149.88-46,713.66-11,424.04

Finding the Fourth Proportional to 31,149.88, 46,713.66 and 11,424.04

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Solution

The fourth proportional to 31,149.88, 46,713.66 and 11,424.04 is: 17,131.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,149.88 : 46,713.66 = 11,424.04 : x
  2. Step 2: Convert to fraction form
    31,149.88/46,713.66 = 11,424.04/x
  3. Step 3: Cross multiply
    31,149.88x = 46,713.66 × 11,424.04
  4. Step 4: Simplify right side
    31,149.88x = 533,658,720.39
  5. Step 5: Solve for x
    x = 533,658,720.39/31,149.88
  6. Step 6: Final answer
    x = 17,131.97

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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.