Home / 50,500.56-69,690.96-28,144.56

Finding the Fourth Proportional to 50,500.56, 69,690.96 and 28,144.56

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Solution

The fourth proportional to 50,500.56, 69,690.96 and 28,144.56 is: 38,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,500.56 : 69,690.96 = 28,144.56 : x
  2. Step 2: Convert to fraction form
    50,500.56/69,690.96 = 28,144.56/x
  3. Step 3: Cross multiply
    50,500.56x = 69,690.96 × 28,144.56
  4. Step 4: Simplify right side
    50,500.56x = 1,961,421,405.18
  5. Step 5: Solve for x
    x = 1,961,421,405.18/50,500.56
  6. Step 6: Final answer
    x = 38,839.60

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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.