Home / 45,238.20-62,450.10-30,156

Finding the Fourth Proportional to 45,238.20, 62,450.10 and 30,156

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Solution

The fourth proportional to 45,238.20, 62,450.10 and 30,156 is: 41,629.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,238.20 : 62,450.10 = 30,156 : x
  2. Step 2: Convert to fraction form
    45,238.20/62,450.10 = 30,156/x
  3. Step 3: Cross multiply
    45,238.20x = 62,450.10 × 30,156
  4. Step 4: Simplify right side
    45,238.20x = 1,883,245,215.60
  5. Step 5: Solve for x
    x = 1,883,245,215.60/45,238.20
  6. Step 6: Final answer
    x = 41,629.53

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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.