Home / 29,536.80-40,764.42-16,961.28

Finding the Fourth Proportional to 29,536.80, 40,764.42 and 16,961.28

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Solution

The fourth proportional to 29,536.80, 40,764.42 and 16,961.28 is: 23,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,536.80 : 40,764.42 = 16,961.28 : x
  2. Step 2: Convert to fraction form
    29,536.80/40,764.42 = 16,961.28/x
  3. Step 3: Cross multiply
    29,536.80x = 40,764.42 × 16,961.28
  4. Step 4: Simplify right side
    29,536.80x = 691,416,741.66
  5. Step 5: Solve for x
    x = 691,416,741.66/29,536.80
  6. Step 6: Final answer
    x = 23,408.65

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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.