Home / 49,433.94-68,218.20-28,213.56

Finding the Fourth Proportional to 49,433.94, 68,218.20 and 28,213.56

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Solution

The fourth proportional to 49,433.94, 68,218.20 and 28,213.56 is: 38,934.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,433.94 : 68,218.20 = 28,213.56 : x
  2. Step 2: Convert to fraction form
    49,433.94/68,218.20 = 28,213.56/x
  3. Step 3: Cross multiply
    49,433.94x = 68,218.20 × 28,213.56
  4. Step 4: Simplify right side
    49,433.94x = 1,924,678,278.79
  5. Step 5: Solve for x
    x = 1,924,678,278.79/49,433.94
  6. Step 6: Final answer
    x = 38,934.35

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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.