Home / 30,814.83-46,217.69-8,626.80

Finding the Fourth Proportional to 30,814.83, 46,217.69 and 8,626.80

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Solution

The fourth proportional to 30,814.83, 46,217.69 and 8,626.80 is: 12,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,814.83 : 46,217.69 = 8,626.80 : x
  2. Step 2: Convert to fraction form
    30,814.83/46,217.69 = 8,626.80/x
  3. Step 3: Cross multiply
    30,814.83x = 46,217.69 × 8,626.80
  4. Step 4: Simplify right side
    30,814.83x = 398,710,930.62
  5. Step 5: Solve for x
    x = 398,710,930.62/30,814.83
  6. Step 6: Final answer
    x = 12,938.93

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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.