Home / 40,453.14-60,669.99-20,721.54

Finding the Fourth Proportional to 40,453.14, 60,669.99 and 20,721.54

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Solution

The fourth proportional to 40,453.14, 60,669.99 and 20,721.54 is: 31,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,453.14 : 60,669.99 = 20,721.54 : x
  2. Step 2: Convert to fraction form
    40,453.14/60,669.99 = 20,721.54/x
  3. Step 3: Cross multiply
    40,453.14x = 60,669.99 × 20,721.54
  4. Step 4: Simplify right side
    40,453.14x = 1,257,175,520.98
  5. Step 5: Solve for x
    x = 1,257,175,520.98/40,453.14
  6. Step 6: Final answer
    x = 31,077.33

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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.