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Finding the Fourth Proportional to 30,460.56, 45,690.84 and 8,273.94

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Solution

The fourth proportional to 30,460.56, 45,690.84 and 8,273.94 is: 12,410.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,460.56 : 45,690.84 = 8,273.94 : x
  2. Step 2: Convert to fraction form
    30,460.56/45,690.84 = 8,273.94/x
  3. Step 3: Cross multiply
    30,460.56x = 45,690.84 × 8,273.94
  4. Step 4: Simplify right side
    30,460.56x = 378,043,268.71
  5. Step 5: Solve for x
    x = 378,043,268.71/30,460.56
  6. Step 6: Final answer
    x = 12,410.91

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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.