Home / 33,418.34-50,108.04-12,643.46

Finding the Fourth Proportional to 33,418.34, 50,108.04 and 12,643.46

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Solution

The fourth proportional to 33,418.34, 50,108.04 and 12,643.46 is: 18,957.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,418.34 : 50,108.04 = 12,643.46 : x
  2. Step 2: Convert to fraction form
    33,418.34/50,108.04 = 12,643.46/x
  3. Step 3: Cross multiply
    33,418.34x = 50,108.04 × 12,643.46
  4. Step 4: Simplify right side
    33,418.34x = 633,538,999.42
  5. Step 5: Solve for x
    x = 633,538,999.42/33,418.34
  6. Step 6: Final answer
    x = 18,957.82

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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.