Home / 34,138.40-51,121.20-25,325.60

Finding the Fourth Proportional to 34,138.40, 51,121.20 and 25,325.60

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Solution

The fourth proportional to 34,138.40, 51,121.20 and 25,325.60 is: 37,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,138.40 : 51,121.20 = 25,325.60 : x
  2. Step 2: Convert to fraction form
    34,138.40/51,121.20 = 25,325.60/x
  3. Step 3: Cross multiply
    34,138.40x = 51,121.20 × 25,325.60
  4. Step 4: Simplify right side
    34,138.40x = 1,294,675,062.72
  5. Step 5: Solve for x
    x = 1,294,675,062.72/34,138.40
  6. Step 6: Final answer
    x = 37,924.30

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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.