Home / 30,172.08-41,634.06-16,739.84

Finding the Fourth Proportional to 30,172.08, 41,634.06 and 16,739.84

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Solution

The fourth proportional to 30,172.08, 41,634.06 and 16,739.84 is: 23,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,172.08 : 41,634.06 = 16,739.84 : x
  2. Step 2: Convert to fraction form
    30,172.08/41,634.06 = 16,739.84/x
  3. Step 3: Cross multiply
    30,172.08x = 41,634.06 × 16,739.84
  4. Step 4: Simplify right side
    30,172.08x = 696,947,502.95
  5. Step 5: Solve for x
    x = 696,947,502.95/30,172.08
  6. Step 6: Final answer
    x = 23,099.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.