Home / 30,921.58-46,384.30-8,736.66

Finding the Fourth Proportional to 30,921.58, 46,384.30 and 8,736.66

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Solution

The fourth proportional to 30,921.58, 46,384.30 and 8,736.66 is: 13,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921.58 : 46,384.30 = 8,736.66 : x
  2. Step 2: Convert to fraction form
    30,921.58/46,384.30 = 8,736.66/x
  3. Step 3: Cross multiply
    30,921.58x = 46,384.30 × 8,736.66
  4. Step 4: Simplify right side
    30,921.58x = 405,243,858.44
  5. Step 5: Solve for x
    x = 405,243,858.44/30,921.58
  6. Step 6: Final answer
    x = 13,105.54

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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.