Home / 31,453.14-43,405.44-17,112.96

Finding the Fourth Proportional to 31,453.14, 43,405.44 and 17,112.96

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Solution

The fourth proportional to 31,453.14, 43,405.44 and 17,112.96 is: 23,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453.14 : 43,405.44 = 17,112.96 : x
  2. Step 2: Convert to fraction form
    31,453.14/43,405.44 = 17,112.96/x
  3. Step 3: Cross multiply
    31,453.14x = 43,405.44 × 17,112.96
  4. Step 4: Simplify right side
    31,453.14x = 742,795,558.50
  5. Step 5: Solve for x
    x = 742,795,558.50/31,453.14
  6. Step 6: Final answer
    x = 23,615.94

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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.