Home / 50,286.96-75,428.28-12,847.95

Finding the Fourth Proportional to 50,286.96, 75,428.28 and 12,847.95

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Solution

The fourth proportional to 50,286.96, 75,428.28 and 12,847.95 is: 19,271.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,286.96 : 75,428.28 = 12,847.95 : x
  2. Step 2: Convert to fraction form
    50,286.96/75,428.28 = 12,847.95/x
  3. Step 3: Cross multiply
    50,286.96x = 75,428.28 × 12,847.95
  4. Step 4: Simplify right side
    50,286.96x = 969,098,770.03
  5. Step 5: Solve for x
    x = 969,098,770.03/50,286.96
  6. Step 6: Final answer
    x = 19,271.37

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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.