Home / 50,915.56-76,380.04-18,890.27

Finding the Fourth Proportional to 50,915.56, 76,380.04 and 18,890.27

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Solution

The fourth proportional to 50,915.56, 76,380.04 and 18,890.27 is: 28,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,915.56 : 76,380.04 = 18,890.27 : x
  2. Step 2: Convert to fraction form
    50,915.56/76,380.04 = 18,890.27/x
  3. Step 3: Cross multiply
    50,915.56x = 76,380.04 × 18,890.27
  4. Step 4: Simplify right side
    50,915.56x = 1,442,839,185.27
  5. Step 5: Solve for x
    x = 1,442,839,185.27/50,915.56
  6. Step 6: Final answer
    x = 28,337.88

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1.5x scale

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.