Home / 32,727.24-49,115.30-12,739.88

Finding the Fourth Proportional to 32,727.24, 49,115.30 and 12,739.88

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Solution

The fourth proportional to 32,727.24, 49,115.30 and 12,739.88 is: 19,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,727.24 : 49,115.30 = 12,739.88 : x
  2. Step 2: Convert to fraction form
    32,727.24/49,115.30 = 12,739.88/x
  3. Step 3: Cross multiply
    32,727.24x = 49,115.30 × 12,739.88
  4. Step 4: Simplify right side
    32,727.24x = 625,723,087.25
  5. Step 5: Solve for x
    x = 625,723,087.25/32,727.24
  6. Step 6: Final answer
    x = 19,119.34

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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.