Home / 50,921.32-76,381.84-28,724.62

Finding the Fourth Proportional to 50,921.32, 76,381.84 and 28,724.62

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Solution

The fourth proportional to 50,921.32, 76,381.84 and 28,724.62 is: 43,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921.32 : 76,381.84 = 28,724.62 : x
  2. Step 2: Convert to fraction form
    50,921.32/76,381.84 = 28,724.62/x
  3. Step 3: Cross multiply
    50,921.32x = 76,381.84 × 28,724.62
  4. Step 4: Simplify right side
    50,921.32x = 2,194,039,328.90
  5. Step 5: Solve for x
    x = 2,194,039,328.90/50,921.32
  6. Step 6: Final answer
    x = 43,086.85

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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.