Home / 45,408.43-68,131.41-20,094.67

Finding the Fourth Proportional to 45,408.43, 68,131.41 and 20,094.67

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Solution

The fourth proportional to 45,408.43, 68,131.41 and 20,094.67 is: 30,150.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,408.43 : 68,131.41 = 20,094.67 : x
  2. Step 2: Convert to fraction form
    45,408.43/68,131.41 = 20,094.67/x
  3. Step 3: Cross multiply
    45,408.43x = 68,131.41 × 20,094.67
  4. Step 4: Simplify right side
    45,408.43x = 1,369,078,200.58
  5. Step 5: Solve for x
    x = 1,369,078,200.58/45,408.43
  6. Step 6: Final answer
    x = 30,150.31

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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.