Home / 30,634.28-45,954.60-8,447.64

Finding the Fourth Proportional to 30,634.28, 45,954.60 and 8,447.64

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Solution

The fourth proportional to 30,634.28, 45,954.60 and 8,447.64 is: 12,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,634.28 : 45,954.60 = 8,447.64 : x
  2. Step 2: Convert to fraction form
    30,634.28/45,954.60 = 8,447.64/x
  3. Step 3: Cross multiply
    30,634.28x = 45,954.60 × 8,447.64
  4. Step 4: Simplify right side
    30,634.28x = 388,207,917.14
  5. Step 5: Solve for x
    x = 388,207,917.14/30,634.28
  6. Step 6: Final answer
    x = 12,672.34

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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.