Home / 30,236.44-45,308.46-12,696.64

Finding the Fourth Proportional to 30,236.44, 45,308.46 and 12,696.64

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Solution

The fourth proportional to 30,236.44, 45,308.46 and 12,696.64 is: 19,025.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,236.44 : 45,308.46 = 12,696.64 : x
  2. Step 2: Convert to fraction form
    30,236.44/45,308.46 = 12,696.64/x
  3. Step 3: Cross multiply
    30,236.44x = 45,308.46 × 12,696.64
  4. Step 4: Simplify right side
    30,236.44x = 575,265,205.57
  5. Step 5: Solve for x
    x = 575,265,205.57/30,236.44
  6. Step 6: Final answer
    x = 19,025.56

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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.