Home / 31,330.96-43,239.44-17,186.56

Finding the Fourth Proportional to 31,330.96, 43,239.44 and 17,186.56

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Solution

The fourth proportional to 31,330.96, 43,239.44 and 17,186.56 is: 23,718.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330.96 : 43,239.44 = 17,186.56 : x
  2. Step 2: Convert to fraction form
    31,330.96/43,239.44 = 17,186.56/x
  3. Step 3: Cross multiply
    31,330.96x = 43,239.44 × 17,186.56
  4. Step 4: Simplify right side
    31,330.96x = 743,137,229.93
  5. Step 5: Solve for x
    x = 743,137,229.93/31,330.96
  6. Step 6: Final answer
    x = 23,718.94

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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.