Home / 32,919.79-49,379.69-18,121.09

Finding the Fourth Proportional to 32,919.79, 49,379.69 and 18,121.09

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Solution

The fourth proportional to 32,919.79, 49,379.69 and 18,121.09 is: 27,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,919.79 : 49,379.69 = 18,121.09 : x
  2. Step 2: Convert to fraction form
    32,919.79/49,379.69 = 18,121.09/x
  3. Step 3: Cross multiply
    32,919.79x = 49,379.69 × 18,121.09
  4. Step 4: Simplify right side
    32,919.79x = 894,813,806.66
  5. Step 5: Solve for x
    x = 894,813,806.66/32,919.79
  6. Step 6: Final answer
    x = 27,181.64

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1.5x scale

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.