Home / 30,491.82-45,741.42-10,766.34

Finding the Fourth Proportional to 30,491.82, 45,741.42 and 10,766.34

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Solution

The fourth proportional to 30,491.82, 45,741.42 and 10,766.34 is: 16,150.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,491.82 : 45,741.42 = 10,766.34 : x
  2. Step 2: Convert to fraction form
    30,491.82/45,741.42 = 10,766.34/x
  3. Step 3: Cross multiply
    30,491.82x = 45,741.42 × 10,766.34
  4. Step 4: Simplify right side
    30,491.82x = 492,467,679.80
  5. Step 5: Solve for x
    x = 492,467,679.80/30,491.82
  6. Step 6: Final answer
    x = 16,150.81

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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.