Home / 36,511.12-50,369.34-21,396.12

Finding the Fourth Proportional to 36,511.12, 50,369.34 and 21,396.12

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Solution

The fourth proportional to 36,511.12, 50,369.34 and 21,396.12 is: 29,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,511.12 : 50,369.34 = 21,396.12 : x
  2. Step 2: Convert to fraction form
    36,511.12/50,369.34 = 21,396.12/x
  3. Step 3: Cross multiply
    36,511.12x = 50,369.34 × 21,396.12
  4. Step 4: Simplify right side
    36,511.12x = 1,077,708,191.11
  5. Step 5: Solve for x
    x = 1,077,708,191.11/36,511.12
  6. Step 6: Final answer
    x = 29,517.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.