Home / 29,650.74-40,919.04-16,905.80

Finding the Fourth Proportional to 29,650.74, 40,919.04 and 16,905.80

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Solution

The fourth proportional to 29,650.74, 40,919.04 and 16,905.80 is: 23,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,650.74 : 40,919.04 = 16,905.80 : x
  2. Step 2: Convert to fraction form
    29,650.74/40,919.04 = 16,905.80/x
  3. Step 3: Cross multiply
    29,650.74x = 40,919.04 × 16,905.80
  4. Step 4: Simplify right side
    29,650.74x = 691,769,106.43
  5. Step 5: Solve for x
    x = 691,769,106.43/29,650.74
  6. Step 6: Final answer
    x = 23,330.58

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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.