Home / 50,694.12-69,958.35-28,031.94

Finding the Fourth Proportional to 50,694.12, 69,958.35 and 28,031.94

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Solution

The fourth proportional to 50,694.12, 69,958.35 and 28,031.94 is: 38,684.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,694.12 : 69,958.35 = 28,031.94 : x
  2. Step 2: Convert to fraction form
    50,694.12/69,958.35 = 28,031.94/x
  3. Step 3: Cross multiply
    50,694.12x = 69,958.35 × 28,031.94
  4. Step 4: Simplify right side
    50,694.12x = 1,961,068,269.70
  5. Step 5: Solve for x
    x = 1,961,068,269.70/50,694.12
  6. Step 6: Final answer
    x = 38,684.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.