Home / 50,919.54-76,378.46-20,927.70

Finding the Fourth Proportional to 50,919.54, 76,378.46 and 20,927.70

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Solution

The fourth proportional to 50,919.54, 76,378.46 and 20,927.70 is: 31,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,919.54 : 76,378.46 = 20,927.70 : x
  2. Step 2: Convert to fraction form
    50,919.54/76,378.46 = 20,927.70/x
  3. Step 3: Cross multiply
    50,919.54x = 76,378.46 × 20,927.70
  4. Step 4: Simplify right side
    50,919.54x = 1,598,425,497.34
  5. Step 5: Solve for x
    x = 1,598,425,497.34/50,919.54
  6. Step 6: Final answer
    x = 31,391.20

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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.