Home / 33,968.89-50,962.16-12,909.30

Finding the Fourth Proportional to 33,968.89, 50,962.16 and 12,909.30

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Solution

The fourth proportional to 33,968.89, 50,962.16 and 12,909.30 is: 19,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,968.89 : 50,962.16 = 12,909.30 : x
  2. Step 2: Convert to fraction form
    33,968.89/50,962.16 = 12,909.30/x
  3. Step 3: Cross multiply
    33,968.89x = 50,962.16 × 12,909.30
  4. Step 4: Simplify right side
    33,968.89x = 657,885,812.09
  5. Step 5: Solve for x
    x = 657,885,812.09/33,968.89
  6. Step 6: Final answer
    x = 19,367.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.