Home / 34,650.12-47,817.14-18,734.54

Finding the Fourth Proportional to 34,650.12, 47,817.14 and 18,734.54

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Solution

The fourth proportional to 34,650.12, 47,817.14 and 18,734.54 is: 25,853.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,650.12 : 47,817.14 = 18,734.54 : x
  2. Step 2: Convert to fraction form
    34,650.12/47,817.14 = 18,734.54/x
  3. Step 3: Cross multiply
    34,650.12x = 47,817.14 × 18,734.54
  4. Step 4: Simplify right side
    34,650.12x = 895,831,789.26
  5. Step 5: Solve for x
    x = 895,831,789.26/34,650.12
  6. Step 6: Final answer
    x = 25,853.64

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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.