Home / 33,216.64-49,819.20-12,435.84

Finding the Fourth Proportional to 33,216.64, 49,819.20 and 12,435.84

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Solution

The fourth proportional to 33,216.64, 49,819.20 and 12,435.84 is: 18,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,216.64 : 49,819.20 = 12,435.84 : x
  2. Step 2: Convert to fraction form
    33,216.64/49,819.20 = 12,435.84/x
  3. Step 3: Cross multiply
    33,216.64x = 49,819.20 × 12,435.84
  4. Step 4: Simplify right side
    33,216.64x = 619,543,600.13
  5. Step 5: Solve for x
    x = 619,543,600.13/33,216.64
  6. Step 6: Final answer
    x = 18,651.60

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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.