Home / 50,932.49-70,286.30-28,271.69

Finding the Fourth Proportional to 50,932.49, 70,286.30 and 28,271.69

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Solution

The fourth proportional to 50,932.49, 70,286.30 and 28,271.69 is: 39,014.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,932.49 : 70,286.30 = 28,271.69 : x
  2. Step 2: Convert to fraction form
    50,932.49/70,286.30 = 28,271.69/x
  3. Step 3: Cross multiply
    50,932.49x = 70,286.30 × 28,271.69
  4. Step 4: Simplify right side
    50,932.49x = 1,987,112,133.42
  5. Step 5: Solve for x
    x = 1,987,112,133.42/50,932.49
  6. Step 6: Final answer
    x = 39,014.63

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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.