Home / 45,247.22-67,893.46-20,305.10

Finding the Fourth Proportional to 45,247.22, 67,893.46 and 20,305.10

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Solution

The fourth proportional to 45,247.22, 67,893.46 and 20,305.10 is: 30,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,247.22 : 67,893.46 = 20,305.10 : x
  2. Step 2: Convert to fraction form
    45,247.22/67,893.46 = 20,305.10/x
  3. Step 3: Cross multiply
    45,247.22x = 67,893.46 × 20,305.10
  4. Step 4: Simplify right side
    45,247.22x = 1,378,583,494.65
  5. Step 5: Solve for x
    x = 1,378,583,494.65/45,247.22
  6. Step 6: Final answer
    x = 30,467.81

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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.