Home / 30,832.30-46,228.20-12,101.05

Finding the Fourth Proportional to 30,832.30, 46,228.20 and 12,101.05

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Solution

The fourth proportional to 30,832.30, 46,228.20 and 12,101.05 is: 18,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,832.30 : 46,228.20 = 12,101.05 : x
  2. Step 2: Convert to fraction form
    30,832.30/46,228.20 = 12,101.05/x
  3. Step 3: Cross multiply
    30,832.30x = 46,228.20 × 12,101.05
  4. Step 4: Simplify right side
    30,832.30x = 559,409,759.61
  5. Step 5: Solve for x
    x = 559,409,759.61/30,832.30
  6. Step 6: Final answer
    x = 18,143.63

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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.