Home / 45,452.36-68,181.96-12,171.68

Finding the Fourth Proportional to 45,452.36, 68,181.96 and 12,171.68

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Solution

The fourth proportional to 45,452.36, 68,181.96 and 12,171.68 is: 18,258.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,452.36 : 68,181.96 = 12,171.68 : x
  2. Step 2: Convert to fraction form
    45,452.36/68,181.96 = 12,171.68/x
  3. Step 3: Cross multiply
    45,452.36x = 68,181.96 × 12,171.68
  4. Step 4: Simplify right side
    45,452.36x = 829,888,998.89
  5. Step 5: Solve for x
    x = 829,888,998.89/45,452.36
  6. Step 6: Final answer
    x = 18,258.44

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1.5x scale

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.