Home / 30,855.23-46,285.55-8,668.79

Finding the Fourth Proportional to 30,855.23, 46,285.55 and 8,668.79

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Solution

The fourth proportional to 30,855.23, 46,285.55 and 8,668.79 is: 13,003.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855.23 : 46,285.55 = 8,668.79 : x
  2. Step 2: Convert to fraction form
    30,855.23/46,285.55 = 8,668.79/x
  3. Step 3: Cross multiply
    30,855.23x = 46,285.55 × 8,668.79
  4. Step 4: Simplify right side
    30,855.23x = 401,239,669.64
  5. Step 5: Solve for x
    x = 401,239,669.64/30,855.23
  6. Step 6: Final answer
    x = 13,003.94

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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.