Home / 31,563.63-47,408.48-19,738.44

Finding the Fourth Proportional to 31,563.63, 47,408.48 and 19,738.44

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Solution

The fourth proportional to 31,563.63, 47,408.48 and 19,738.44 is: 29,647.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,563.63 : 47,408.48 = 19,738.44 : x
  2. Step 2: Convert to fraction form
    31,563.63/47,408.48 = 19,738.44/x
  3. Step 3: Cross multiply
    31,563.63x = 47,408.48 × 19,738.44
  4. Step 4: Simplify right side
    31,563.63x = 935,769,339.28
  5. Step 5: Solve for x
    x = 935,769,339.28/31,563.63
  6. Step 6: Final answer
    x = 29,647.08

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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.