Home / 45,380.48-68,073.96-12,100.37

Finding the Fourth Proportional to 45,380.48, 68,073.96 and 12,100.37

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Solution

The fourth proportional to 45,380.48, 68,073.96 and 12,100.37 is: 18,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,380.48 : 68,073.96 = 12,100.37 : x
  2. Step 2: Convert to fraction form
    45,380.48/68,073.96 = 12,100.37/x
  3. Step 3: Cross multiply
    45,380.48x = 68,073.96 × 12,100.37
  4. Step 4: Simplify right side
    45,380.48x = 823,720,103.37
  5. Step 5: Solve for x
    x = 823,720,103.37/45,380.48
  6. Step 6: Final answer
    x = 18,151.42

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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.