Home / 30,819.42-46,231.71-8,632.77

Finding the Fourth Proportional to 30,819.42, 46,231.71 and 8,632.77

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Solution

The fourth proportional to 30,819.42, 46,231.71 and 8,632.77 is: 12,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,819.42 : 46,231.71 = 8,632.77 : x
  2. Step 2: Convert to fraction form
    30,819.42/46,231.71 = 8,632.77/x
  3. Step 3: Cross multiply
    30,819.42x = 46,231.71 × 8,632.77
  4. Step 4: Simplify right side
    30,819.42x = 399,107,675.97
  5. Step 5: Solve for x
    x = 399,107,675.97/30,819.42
  6. Step 6: Final answer
    x = 12,949.88

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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.