Home / 45,426.27-68,161.82-20,483.67

Finding the Fourth Proportional to 45,426.27, 68,161.82 and 20,483.67

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Solution

The fourth proportional to 45,426.27, 68,161.82 and 20,483.67 is: 30,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,426.27 : 68,161.82 = 20,483.67 : x
  2. Step 2: Convert to fraction form
    45,426.27/68,161.82 = 20,483.67/x
  3. Step 3: Cross multiply
    45,426.27x = 68,161.82 × 20,483.67
  4. Step 4: Simplify right side
    45,426.27x = 1,396,204,125.06
  5. Step 5: Solve for x
    x = 1,396,204,125.06/45,426.27
  6. Step 6: Final answer
    x = 30,735.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.