Home / 30,705.30-46,057.97-8,518.70

Finding the Fourth Proportional to 30,705.30, 46,057.97 and 8,518.70

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Solution

The fourth proportional to 30,705.30, 46,057.97 and 8,518.70 is: 12,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,705.30 : 46,057.97 = 8,518.70 : x
  2. Step 2: Convert to fraction form
    30,705.30/46,057.97 = 8,518.70/x
  3. Step 3: Cross multiply
    30,705.30x = 46,057.97 × 8,518.70
  4. Step 4: Simplify right side
    30,705.30x = 392,353,906.40
  5. Step 5: Solve for x
    x = 392,353,906.40/30,705.30
  6. Step 6: Final answer
    x = 12,778.05

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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.