Home / 30,805.26-46,215.99-12,086.43

Finding the Fourth Proportional to 30,805.26, 46,215.99 and 12,086.43

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Solution

The fourth proportional to 30,805.26, 46,215.99 and 12,086.43 is: 18,132.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,805.26 : 46,215.99 = 12,086.43 : x
  2. Step 2: Convert to fraction form
    30,805.26/46,215.99 = 12,086.43/x
  3. Step 3: Cross multiply
    30,805.26x = 46,215.99 × 12,086.43
  4. Step 4: Simplify right side
    30,805.26x = 558,586,328.02
  5. Step 5: Solve for x
    x = 558,586,328.02/30,805.26
  6. Step 6: Final answer
    x = 18,132.82

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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.