Home / 30,924.12-46,387.86-8,739.24

Finding the Fourth Proportional to 30,924.12, 46,387.86 and 8,739.24

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Solution

The fourth proportional to 30,924.12, 46,387.86 and 8,739.24 is: 13,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,924.12 : 46,387.86 = 8,739.24 : x
  2. Step 2: Convert to fraction form
    30,924.12/46,387.86 = 8,739.24/x
  3. Step 3: Cross multiply
    30,924.12x = 46,387.86 × 8,739.24
  4. Step 4: Simplify right side
    30,924.12x = 405,394,641.63
  5. Step 5: Solve for x
    x = 405,394,641.63/30,924.12
  6. Step 6: Final answer
    x = 13,109.33

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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.