Home / 50,768.87-70,060.10-28,107.36

Finding the Fourth Proportional to 50,768.87, 70,060.10 and 28,107.36

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Solution

The fourth proportional to 50,768.87, 70,060.10 and 28,107.36 is: 38,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,768.87 : 70,060.10 = 28,107.36 : x
  2. Step 2: Convert to fraction form
    50,768.87/70,060.10 = 28,107.36/x
  3. Step 3: Cross multiply
    50,768.87x = 70,060.10 × 28,107.36
  4. Step 4: Simplify right side
    50,768.87x = 1,969,204,311.80
  5. Step 5: Solve for x
    x = 1,969,204,311.80/50,768.87
  6. Step 6: Final answer
    x = 38,787.64

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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.