Home / 33,919.29-50,855.18-12,860.51

Finding the Fourth Proportional to 33,919.29, 50,855.18 and 12,860.51

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Solution

The fourth proportional to 33,919.29, 50,855.18 and 12,860.51 is: 19,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,919.29 : 50,855.18 = 12,860.51 : x
  2. Step 2: Convert to fraction form
    33,919.29/50,855.18 = 12,860.51/x
  3. Step 3: Cross multiply
    33,919.29x = 50,855.18 × 12,860.51
  4. Step 4: Simplify right side
    33,919.29x = 654,023,232.36
  5. Step 5: Solve for x
    x = 654,023,232.36/33,919.29
  6. Step 6: Final answer
    x = 19,281.75

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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.