Home / 31,687.44-43,749.36-22,014.96

Finding the Fourth Proportional to 31,687.44, 43,749.36 and 22,014.96

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Solution

The fourth proportional to 31,687.44, 43,749.36 and 22,014.96 is: 30,395.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,687.44 : 43,749.36 = 22,014.96 : x
  2. Step 2: Convert to fraction form
    31,687.44/43,749.36 = 22,014.96/x
  3. Step 3: Cross multiply
    31,687.44x = 43,749.36 × 22,014.96
  4. Step 4: Simplify right side
    31,687.44x = 963,140,410.43
  5. Step 5: Solve for x
    x = 963,140,410.43/31,687.44
  6. Step 6: Final answer
    x = 30,395.02

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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.