Home / 30,928.12-46,393.86-8,743.24

Finding the Fourth Proportional to 30,928.12, 46,393.86 and 8,743.24

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Solution

The fourth proportional to 30,928.12, 46,393.86 and 8,743.24 is: 13,115.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,928.12 : 46,393.86 = 8,743.24 : x
  2. Step 2: Convert to fraction form
    30,928.12/46,393.86 = 8,743.24/x
  3. Step 3: Cross multiply
    30,928.12x = 46,393.86 × 8,743.24
  4. Step 4: Simplify right side
    30,928.12x = 405,632,652.51
  5. Step 5: Solve for x
    x = 405,632,652.51/30,928.12
  6. Step 6: Final answer
    x = 13,115.33

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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.