Home / 47,991.63-71,987.31-16,826.88

Finding the Fourth Proportional to 47,991.63, 71,987.31 and 16,826.88

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Solution

The fourth proportional to 47,991.63, 71,987.31 and 16,826.88 is: 25,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,991.63 : 71,987.31 = 16,826.88 : x
  2. Step 2: Convert to fraction form
    47,991.63/71,987.31 = 16,826.88/x
  3. Step 3: Cross multiply
    47,991.63x = 71,987.31 × 16,826.88
  4. Step 4: Simplify right side
    47,991.63x = 1,211,321,826.89
  5. Step 5: Solve for x
    x = 1,211,321,826.89/47,991.63
  6. Step 6: Final answer
    x = 25,240.27

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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.