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Finding the Fourth Proportional to 50,874.48, 76,268.65 and 19,267.12

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Solution

The fourth proportional to 50,874.48, 76,268.65 and 19,267.12 is: 28,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,874.48 : 76,268.65 = 19,267.12 : x
  2. Step 2: Convert to fraction form
    50,874.48/76,268.65 = 19,267.12/x
  3. Step 3: Cross multiply
    50,874.48x = 76,268.65 × 19,267.12
  4. Step 4: Simplify right side
    50,874.48x = 1,469,477,231.79
  5. Step 5: Solve for x
    x = 1,469,477,231.79/50,874.48
  6. Step 6: Final answer
    x = 28,884.37

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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.