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Finding the Fourth Proportional to 30,819.02, 46,210.99 and 9,755.02

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Solution

The fourth proportional to 30,819.02, 46,210.99 and 9,755.02 is: 14,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,819.02 : 46,210.99 = 9,755.02 : x
  2. Step 2: Convert to fraction form
    30,819.02/46,210.99 = 9,755.02/x
  3. Step 3: Cross multiply
    30,819.02x = 46,210.99 × 9,755.02
  4. Step 4: Simplify right side
    30,819.02x = 450,789,131.67
  5. Step 5: Solve for x
    x = 450,789,131.67/30,819.02
  6. Step 6: Final answer
    x = 14,626.98

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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.