Home / 30,783.58-46,185.09-13,261.66

Finding the Fourth Proportional to 30,783.58, 46,185.09 and 13,261.66

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Solution

The fourth proportional to 30,783.58, 46,185.09 and 13,261.66 is: 19,896.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,783.58 : 46,185.09 = 13,261.66 : x
  2. Step 2: Convert to fraction form
    30,783.58/46,185.09 = 13,261.66/x
  3. Step 3: Cross multiply
    30,783.58x = 46,185.09 × 13,261.66
  4. Step 4: Simplify right side
    30,783.58x = 612,490,960.65
  5. Step 5: Solve for x
    x = 612,490,960.65/30,783.58
  6. Step 6: Final answer
    x = 19,896.68

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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.