Home / 50,839.50-76,270.42-20,853.92

Finding the Fourth Proportional to 50,839.50, 76,270.42 and 20,853.92

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Solution

The fourth proportional to 50,839.50, 76,270.42 and 20,853.92 is: 31,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,839.50 : 76,270.42 = 20,853.92 : x
  2. Step 2: Convert to fraction form
    50,839.50/76,270.42 = 20,853.92/x
  3. Step 3: Cross multiply
    50,839.50x = 76,270.42 × 20,853.92
  4. Step 4: Simplify right side
    50,839.50x = 1,590,536,803.56
  5. Step 5: Solve for x
    x = 1,590,536,803.56/50,839.50
  6. Step 6: Final answer
    x = 31,285.45

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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.