Home / 30,690.06-46,037.70-8,503.44

Finding the Fourth Proportional to 30,690.06, 46,037.70 and 8,503.44

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Solution

The fourth proportional to 30,690.06, 46,037.70 and 8,503.44 is: 12,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,690.06 : 46,037.70 = 8,503.44 : x
  2. Step 2: Convert to fraction form
    30,690.06/46,037.70 = 8,503.44/x
  3. Step 3: Cross multiply
    30,690.06x = 46,037.70 × 8,503.44
  4. Step 4: Simplify right side
    30,690.06x = 391,478,819.69
  5. Step 5: Solve for x
    x = 391,478,819.69/30,690.06
  6. Step 6: Final answer
    x = 12,755.88

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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.