Home / 29,109.42-40,161.20-17,774.82

Finding the Fourth Proportional to 29,109.42, 40,161.20 and 17,774.82

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Solution

The fourth proportional to 29,109.42, 40,161.20 and 17,774.82 is: 24,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109.42 : 40,161.20 = 17,774.82 : x
  2. Step 2: Convert to fraction form
    29,109.42/40,161.20 = 17,774.82/x
  3. Step 3: Cross multiply
    29,109.42x = 40,161.20 × 17,774.82
  4. Step 4: Simplify right side
    29,109.42x = 713,858,100.98
  5. Step 5: Solve for x
    x = 713,858,100.98/29,109.42
  6. Step 6: Final answer
    x = 24,523.27

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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.