Home / 45,732.21-68,602.44-12,452.46

Finding the Fourth Proportional to 45,732.21, 68,602.44 and 12,452.46

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Solution

The fourth proportional to 45,732.21, 68,602.44 and 12,452.46 is: 18,679.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,732.21 : 68,602.44 = 12,452.46 : x
  2. Step 2: Convert to fraction form
    45,732.21/68,602.44 = 12,452.46/x
  3. Step 3: Cross multiply
    45,732.21x = 68,602.44 × 12,452.46
  4. Step 4: Simplify right side
    45,732.21x = 854,269,140.00
  5. Step 5: Solve for x
    x = 854,269,140.00/45,732.21
  6. Step 6: Final answer
    x = 18,679.81

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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.