Home / 31,681.87-47,523.69-11,956.03

Finding the Fourth Proportional to 31,681.87, 47,523.69 and 11,956.03

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Solution

The fourth proportional to 31,681.87, 47,523.69 and 11,956.03 is: 17,934.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681.87 : 47,523.69 = 11,956.03 : x
  2. Step 2: Convert to fraction form
    31,681.87/47,523.69 = 11,956.03/x
  3. Step 3: Cross multiply
    31,681.87x = 47,523.69 × 11,956.03
  4. Step 4: Simplify right side
    31,681.87x = 568,194,544.54
  5. Step 5: Solve for x
    x = 568,194,544.54/31,681.87
  6. Step 6: Final answer
    x = 17,934.38

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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.