Home / 30,104.46-41,523.48-20,656.62

Finding the Fourth Proportional to 30,104.46, 41,523.48 and 20,656.62

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Solution

The fourth proportional to 30,104.46, 41,523.48 and 20,656.62 is: 28,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,104.46 : 41,523.48 = 20,656.62 : x
  2. Step 2: Convert to fraction form
    30,104.46/41,523.48 = 20,656.62/x
  3. Step 3: Cross multiply
    30,104.46x = 41,523.48 × 20,656.62
  4. Step 4: Simplify right side
    30,104.46x = 857,734,747.44
  5. Step 5: Solve for x
    x = 857,734,747.44/30,104.46
  6. Step 6: Final answer
    x = 28,491.95

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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.