Home / 50,853.11-76,286.96-19,274.72

Finding the Fourth Proportional to 50,853.11, 76,286.96 and 19,274.72

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Solution

The fourth proportional to 50,853.11, 76,286.96 and 19,274.72 is: 28,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,853.11 : 76,286.96 = 19,274.72 : x
  2. Step 2: Convert to fraction form
    50,853.11/76,286.96 = 19,274.72/x
  3. Step 3: Cross multiply
    50,853.11x = 76,286.96 × 19,274.72
  4. Step 4: Simplify right side
    50,853.11x = 1,470,409,697.28
  5. Step 5: Solve for x
    x = 1,470,409,697.28/50,853.11
  6. Step 6: Final answer
    x = 28,914.84

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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.