Home / 51,204.25-76,806.37-20,017.63

Finding the Fourth Proportional to 51,204.25, 76,806.37 and 20,017.63

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Solution

The fourth proportional to 51,204.25, 76,806.37 and 20,017.63 is: 30,026.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204.25 : 76,806.37 = 20,017.63 : x
  2. Step 2: Convert to fraction form
    51,204.25/76,806.37 = 20,017.63/x
  3. Step 3: Cross multiply
    51,204.25x = 76,806.37 × 20,017.63
  4. Step 4: Simplify right side
    51,204.25x = 1,537,481,112.27
  5. Step 5: Solve for x
    x = 1,537,481,112.27/51,204.25
  6. Step 6: Final answer
    x = 30,026.44

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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.