Home / 31,924.53-47,855.43-11,919.38

Finding the Fourth Proportional to 31,924.53, 47,855.43 and 11,919.38

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Solution

The fourth proportional to 31,924.53, 47,855.43 and 11,919.38 is: 17,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,924.53 : 47,855.43 = 11,919.38 : x
  2. Step 2: Convert to fraction form
    31,924.53/47,855.43 = 11,919.38/x
  3. Step 3: Cross multiply
    31,924.53x = 47,855.43 × 11,919.38
  4. Step 4: Simplify right side
    31,924.53x = 570,406,815.96
  5. Step 5: Solve for x
    x = 570,406,815.96/31,924.53
  6. Step 6: Final answer
    x = 17,867.35

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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.