Home / 51,540.42-71,119.14-30,311.94

Finding the Fourth Proportional to 51,540.42, 71,119.14 and 30,311.94

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Solution

The fourth proportional to 51,540.42, 71,119.14 and 30,311.94 is: 41,826.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,540.42 : 71,119.14 = 30,311.94 : x
  2. Step 2: Convert to fraction form
    51,540.42/71,119.14 = 30,311.94/x
  3. Step 3: Cross multiply
    51,540.42x = 71,119.14 × 30,311.94
  4. Step 4: Simplify right side
    51,540.42x = 2,155,759,104.53
  5. Step 5: Solve for x
    x = 2,155,759,104.53/51,540.42
  6. Step 6: Final answer
    x = 41,826.57

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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.