Home / 31,926.21-47,839.66-12,194.01

Finding the Fourth Proportional to 31,926.21, 47,839.66 and 12,194.01

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Solution

The fourth proportional to 31,926.21, 47,839.66 and 12,194.01 is: 18,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,926.21 : 47,839.66 = 12,194.01 : x
  2. Step 2: Convert to fraction form
    31,926.21/47,839.66 = 12,194.01/x
  3. Step 3: Cross multiply
    31,926.21x = 47,839.66 × 12,194.01
  4. Step 4: Simplify right side
    31,926.21x = 583,356,992.27
  5. Step 5: Solve for x
    x = 583,356,992.27/31,926.21
  6. Step 6: Final answer
    x = 18,272.04

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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.