Home / 30,814.30-46,221.30-12,081.10

Finding the Fourth Proportional to 30,814.30, 46,221.30 and 12,081.10

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Solution

The fourth proportional to 30,814.30, 46,221.30 and 12,081.10 is: 18,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,814.30 : 46,221.30 = 12,081.10 : x
  2. Step 2: Convert to fraction form
    30,814.30/46,221.30 = 12,081.10/x
  3. Step 3: Cross multiply
    30,814.30x = 46,221.30 × 12,081.10
  4. Step 4: Simplify right side
    30,814.30x = 558,404,147.43
  5. Step 5: Solve for x
    x = 558,404,147.43/30,814.30
  6. Step 6: Final answer
    x = 18,121.59

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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.