Home / 29,309.45-40,452.21-17,379.36

Finding the Fourth Proportional to 29,309.45, 40,452.21 and 17,379.36

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Solution

The fourth proportional to 29,309.45, 40,452.21 and 17,379.36 is: 23,986.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,309.45 : 40,452.21 = 17,379.36 : x
  2. Step 2: Convert to fraction form
    29,309.45/40,452.21 = 17,379.36/x
  3. Step 3: Cross multiply
    29,309.45x = 40,452.21 × 17,379.36
  4. Step 4: Simplify right side
    29,309.45x = 703,033,520.39
  5. Step 5: Solve for x
    x = 703,033,520.39/29,309.45
  6. Step 6: Final answer
    x = 23,986.59

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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.