Home / 45,224.96-67,840.64-11,944.68

Finding the Fourth Proportional to 45,224.96, 67,840.64 and 11,944.68

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Solution

The fourth proportional to 45,224.96, 67,840.64 and 11,944.68 is: 17,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,224.96 : 67,840.64 = 11,944.68 : x
  2. Step 2: Convert to fraction form
    45,224.96/67,840.64 = 11,944.68/x
  3. Step 3: Cross multiply
    45,224.96x = 67,840.64 × 11,944.68
  4. Step 4: Simplify right side
    45,224.96x = 810,334,735.80
  5. Step 5: Solve for x
    x = 810,334,735.80/45,224.96
  6. Step 6: Final answer
    x = 17,917.87

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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.