Home / 31,293.45-43,186.01-17,146.26

Finding the Fourth Proportional to 31,293.45, 43,186.01 and 17,146.26

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Solution

The fourth proportional to 31,293.45, 43,186.01 and 17,146.26 is: 23,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293.45 : 43,186.01 = 17,146.26 : x
  2. Step 2: Convert to fraction form
    31,293.45/43,186.01 = 17,146.26/x
  3. Step 3: Cross multiply
    31,293.45x = 43,186.01 × 17,146.26
  4. Step 4: Simplify right side
    31,293.45x = 740,478,470.09
  5. Step 5: Solve for x
    x = 740,478,470.09/31,293.45
  6. Step 6: Final answer
    x = 23,662.41

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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.