Home / 45,402.08-68,081.67-16,919.73

Finding the Fourth Proportional to 45,402.08, 68,081.67 and 16,919.73

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Solution

The fourth proportional to 45,402.08, 68,081.67 and 16,919.73 is: 25,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,402.08 : 68,081.67 = 16,919.73 : x
  2. Step 2: Convert to fraction form
    45,402.08/68,081.67 = 16,919.73/x
  3. Step 3: Cross multiply
    45,402.08x = 68,081.67 × 16,919.73
  4. Step 4: Simplify right side
    45,402.08x = 1,151,923,474.35
  5. Step 5: Solve for x
    x = 1,151,923,474.35/45,402.08
  6. Step 6: Final answer
    x = 25,371.60

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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.