Home / 30,033.94-45,057.27-8,975.62

Finding the Fourth Proportional to 30,033.94, 45,057.27 and 8,975.62

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Solution

The fourth proportional to 30,033.94, 45,057.27 and 8,975.62 is: 13,465.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033.94 : 45,057.27 = 8,975.62 : x
  2. Step 2: Convert to fraction form
    30,033.94/45,057.27 = 8,975.62/x
  3. Step 3: Cross multiply
    30,033.94x = 45,057.27 × 8,975.62
  4. Step 4: Simplify right side
    30,033.94x = 404,416,933.76
  5. Step 5: Solve for x
    x = 404,416,933.76/30,033.94
  6. Step 6: Final answer
    x = 13,465.33

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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.