Home / 31,190.23-43,044.35-17,762.05

Finding the Fourth Proportional to 31,190.23, 43,044.35 and 17,762.05

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Solution

The fourth proportional to 31,190.23, 43,044.35 and 17,762.05 is: 24,512.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,190.23 : 43,044.35 = 17,762.05 : x
  2. Step 2: Convert to fraction form
    31,190.23/43,044.35 = 17,762.05/x
  3. Step 3: Cross multiply
    31,190.23x = 43,044.35 × 17,762.05
  4. Step 4: Simplify right side
    31,190.23x = 764,555,896.92
  5. Step 5: Solve for x
    x = 764,555,896.92/31,190.23
  6. Step 6: Final answer
    x = 24,512.67

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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.