Home / 36,268.18-54,369.44-12,889.14

Finding the Fourth Proportional to 36,268.18, 54,369.44 and 12,889.14

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Solution

The fourth proportional to 36,268.18, 54,369.44 and 12,889.14 is: 19,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,268.18 : 54,369.44 = 12,889.14 : x
  2. Step 2: Convert to fraction form
    36,268.18/54,369.44 = 12,889.14/x
  3. Step 3: Cross multiply
    36,268.18x = 54,369.44 × 12,889.14
  4. Step 4: Simplify right side
    36,268.18x = 700,775,323.88
  5. Step 5: Solve for x
    x = 700,775,323.88/36,268.18
  6. Step 6: Final answer
    x = 19,322.04

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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.