Home / 50,855.53-70,182.30-28,196.64

Finding the Fourth Proportional to 50,855.53, 70,182.30 and 28,196.64

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Solution

The fourth proportional to 50,855.53, 70,182.30 and 28,196.64 is: 38,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,855.53 : 70,182.30 = 28,196.64 : x
  2. Step 2: Convert to fraction form
    50,855.53/70,182.30 = 28,196.64/x
  3. Step 3: Cross multiply
    50,855.53x = 70,182.30 × 28,196.64
  4. Step 4: Simplify right side
    50,855.53x = 1,978,905,047.47
  5. Step 5: Solve for x
    x = 1,978,905,047.47/50,855.53
  6. Step 6: Final answer
    x = 38,912.29

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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.