Home / 47,643.20-71,464.80-16,481.60

Finding the Fourth Proportional to 47,643.20, 71,464.80 and 16,481.60

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Solution

The fourth proportional to 47,643.20, 71,464.80 and 16,481.60 is: 24,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,643.20 : 71,464.80 = 16,481.60 : x
  2. Step 2: Convert to fraction form
    47,643.20/71,464.80 = 16,481.60/x
  3. Step 3: Cross multiply
    47,643.20x = 71,464.80 × 16,481.60
  4. Step 4: Simplify right side
    47,643.20x = 1,177,854,247.68
  5. Step 5: Solve for x
    x = 1,177,854,247.68/47,643.20
  6. Step 6: Final answer
    x = 24,722.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.