Home / 36,431.32-54,684.42-18,896.44

Finding the Fourth Proportional to 36,431.32, 54,684.42 and 18,896.44

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Solution

The fourth proportional to 36,431.32, 54,684.42 and 18,896.44 is: 28,364.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,431.32 : 54,684.42 = 18,896.44 : x
  2. Step 2: Convert to fraction form
    36,431.32/54,684.42 = 18,896.44/x
  3. Step 3: Cross multiply
    36,431.32x = 54,684.42 × 18,896.44
  4. Step 4: Simplify right side
    36,431.32x = 1,033,340,861.46
  5. Step 5: Solve for x
    x = 1,033,340,861.46/36,431.32
  6. Step 6: Final answer
    x = 28,364.08

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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.