Home / 20,846.34-31,052.39-19,738.26

Finding the Fourth Proportional to 20,846.34, 31,052.39 and 19,738.26

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Solution

The fourth proportional to 20,846.34, 31,052.39 and 19,738.26 is: 29,401.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846.34 : 31,052.39 = 19,738.26 : x
  2. Step 2: Convert to fraction form
    20,846.34/31,052.39 = 19,738.26/x
  3. Step 3: Cross multiply
    20,846.34x = 31,052.39 × 19,738.26
  4. Step 4: Simplify right side
    20,846.34x = 612,920,048.75
  5. Step 5: Solve for x
    x = 612,920,048.75/20,846.34
  6. Step 6: Final answer
    x = 29,401.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.