Home / 53,671.44-80,520.12-18,610.32

Finding the Fourth Proportional to 53,671.44, 80,520.12 and 18,610.32

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Solution

The fourth proportional to 53,671.44, 80,520.12 and 18,610.32 is: 27,919.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,671.44 : 80,520.12 = 18,610.32 : x
  2. Step 2: Convert to fraction form
    53,671.44/80,520.12 = 18,610.32/x
  3. Step 3: Cross multiply
    53,671.44x = 80,520.12 × 18,610.32
  4. Step 4: Simplify right side
    53,671.44x = 1,498,505,199.64
  5. Step 5: Solve for x
    x = 1,498,505,199.64/53,671.44
  6. Step 6: Final answer
    x = 27,919.97

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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.