Home / 34,408.90-51,618.41-12,220.37

Finding the Fourth Proportional to 34,408.90, 51,618.41 and 12,220.37

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Solution

The fourth proportional to 34,408.90, 51,618.41 and 12,220.37 is: 18,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,408.90 : 51,618.41 = 12,220.37 : x
  2. Step 2: Convert to fraction form
    34,408.90/51,618.41 = 12,220.37/x
  3. Step 3: Cross multiply
    34,408.90x = 51,618.41 × 12,220.37
  4. Step 4: Simplify right side
    34,408.90x = 630,795,749.82
  5. Step 5: Solve for x
    x = 630,795,749.82/34,408.90
  6. Step 6: Final answer
    x = 18,332.35

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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.