Home / 45,730.21-68,599.44-12,450.46

Finding the Fourth Proportional to 45,730.21, 68,599.44 and 12,450.46

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Solution

The fourth proportional to 45,730.21, 68,599.44 and 12,450.46 is: 18,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,730.21 : 68,599.44 = 12,450.46 : x
  2. Step 2: Convert to fraction form
    45,730.21/68,599.44 = 12,450.46/x
  3. Step 3: Cross multiply
    45,730.21x = 68,599.44 × 12,450.46
  4. Step 4: Simplify right side
    45,730.21x = 854,094,583.74
  5. Step 5: Solve for x
    x = 854,094,583.74/45,730.21
  6. Step 6: Final answer
    x = 18,676.81

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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.