Home / 30,800.04-46,202.97-8,613.42

Finding the Fourth Proportional to 30,800.04, 46,202.97 and 8,613.42

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Solution

The fourth proportional to 30,800.04, 46,202.97 and 8,613.42 is: 12,920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,800.04 : 46,202.97 = 8,613.42 : x
  2. Step 2: Convert to fraction form
    30,800.04/46,202.97 = 8,613.42/x
  3. Step 3: Cross multiply
    30,800.04x = 46,202.97 × 8,613.42
  4. Step 4: Simplify right side
    30,800.04x = 397,965,585.86
  5. Step 5: Solve for x
    x = 397,965,585.86/30,800.04
  6. Step 6: Final answer
    x = 12,920.94

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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.