Home / 30,924.32-46,388.07-8,739.30

Finding the Fourth Proportional to 30,924.32, 46,388.07 and 8,739.30

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Solution

The fourth proportional to 30,924.32, 46,388.07 and 8,739.30 is: 13,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,924.32 : 46,388.07 = 8,739.30 : x
  2. Step 2: Convert to fraction form
    30,924.32/46,388.07 = 8,739.30/x
  3. Step 3: Cross multiply
    30,924.32x = 46,388.07 × 8,739.30
  4. Step 4: Simplify right side
    30,924.32x = 405,399,260.15
  5. Step 5: Solve for x
    x = 405,399,260.15/30,924.32
  6. Step 6: Final answer
    x = 13,109.40

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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.