Home / 45,974.08-68,961.36-18,272.16

Finding the Fourth Proportional to 45,974.08, 68,961.36 and 18,272.16

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Solution

The fourth proportional to 45,974.08, 68,961.36 and 18,272.16 is: 27,408.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,974.08 : 68,961.36 = 18,272.16 : x
  2. Step 2: Convert to fraction form
    45,974.08/68,961.36 = 18,272.16/x
  3. Step 3: Cross multiply
    45,974.08x = 68,961.36 × 18,272.16
  4. Step 4: Simplify right side
    45,974.08x = 1,260,073,003.74
  5. Step 5: Solve for x
    x = 1,260,073,003.74/45,974.08
  6. Step 6: Final answer
    x = 27,408.34

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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.