Home / 36,268.18-54,369.43-12,889.15

Finding the Fourth Proportional to 36,268.18, 54,369.43 and 12,889.15

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Solution

The fourth proportional to 36,268.18, 54,369.43 and 12,889.15 is: 19,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,268.18 : 54,369.43 = 12,889.15 : x
  2. Step 2: Convert to fraction form
    36,268.18/54,369.43 = 12,889.15/x
  3. Step 3: Cross multiply
    36,268.18x = 54,369.43 × 12,889.15
  4. Step 4: Simplify right side
    36,268.18x = 700,775,738.68
  5. Step 5: Solve for x
    x = 700,775,738.68/36,268.18
  6. Step 6: Final answer
    x = 19,322.05

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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.