Home / 30,081.24-41,473.62-20,633.40

Finding the Fourth Proportional to 30,081.24, 41,473.62 and 20,633.40

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Solution

The fourth proportional to 30,081.24, 41,473.62 and 20,633.40 is: 28,447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,081.24 : 41,473.62 = 20,633.40 : x
  2. Step 2: Convert to fraction form
    30,081.24/41,473.62 = 20,633.40/x
  3. Step 3: Cross multiply
    30,081.24x = 41,473.62 × 20,633.40
  4. Step 4: Simplify right side
    30,081.24x = 855,741,790.91
  5. Step 5: Solve for x
    x = 855,741,790.91/30,081.24
  6. Step 6: Final answer
    x = 28,447.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.