Home / 31,334.07-43,240.28-17,186.79

Finding the Fourth Proportional to 31,334.07, 43,240.28 and 17,186.79

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Solution

The fourth proportional to 31,334.07, 43,240.28 and 17,186.79 is: 23,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.07 : 43,240.28 = 17,186.79 : x
  2. Step 2: Convert to fraction form
    31,334.07/43,240.28 = 17,186.79/x
  3. Step 3: Cross multiply
    31,334.07x = 43,240.28 × 17,186.79
  4. Step 4: Simplify right side
    31,334.07x = 743,161,525.97
  5. Step 5: Solve for x
    x = 743,161,525.97/31,334.07
  6. Step 6: Final answer
    x = 23,717.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.