Home / 51,272.16-76,917.60-16,221.60

Finding the Fourth Proportional to 51,272.16, 76,917.60 and 16,221.60

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Solution

The fourth proportional to 51,272.16, 76,917.60 and 16,221.60 is: 24,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,272.16 : 76,917.60 = 16,221.60 : x
  2. Step 2: Convert to fraction form
    51,272.16/76,917.60 = 16,221.60/x
  3. Step 3: Cross multiply
    51,272.16x = 76,917.60 × 16,221.60
  4. Step 4: Simplify right side
    51,272.16x = 1,247,726,540.16
  5. Step 5: Solve for x
    x = 1,247,726,540.16/51,272.16
  6. Step 6: Final answer
    x = 24,335.36

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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.