Home / 31,334.88-43,242.57-17,186.79

Finding the Fourth Proportional to 31,334.88, 43,242.57 and 17,186.79

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Solution

The fourth proportional to 31,334.88, 43,242.57 and 17,186.79 is: 23,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.88 : 43,242.57 = 17,186.79 : x
  2. Step 2: Convert to fraction form
    31,334.88/43,242.57 = 17,186.79/x
  3. Step 3: Cross multiply
    31,334.88x = 43,242.57 × 17,186.79
  4. Step 4: Simplify right side
    31,334.88x = 743,200,969.65
  5. Step 5: Solve for x
    x = 743,200,969.65/31,334.88
  6. Step 6: Final answer
    x = 23,718.01

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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.