Home / 50,379.32-69,496.44-31,247.12

Finding the Fourth Proportional to 50,379.32, 69,496.44 and 31,247.12

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Solution

The fourth proportional to 50,379.32, 69,496.44 and 31,247.12 is: 43,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,379.32 : 69,496.44 = 31,247.12 : x
  2. Step 2: Convert to fraction form
    50,379.32/69,496.44 = 31,247.12/x
  3. Step 3: Cross multiply
    50,379.32x = 69,496.44 × 31,247.12
  4. Step 4: Simplify right side
    50,379.32x = 2,171,563,600.25
  5. Step 5: Solve for x
    x = 2,171,563,600.25/50,379.32
  6. Step 6: Final answer
    x = 43,104.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.