Home / 30,181.74-45,317.04-16,880.79

Finding the Fourth Proportional to 30,181.74, 45,317.04 and 16,880.79

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Solution

The fourth proportional to 30,181.74, 45,317.04 and 16,880.79 is: 25,346.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.74 : 45,317.04 = 16,880.79 : x
  2. Step 2: Convert to fraction form
    30,181.74/45,317.04 = 16,880.79/x
  3. Step 3: Cross multiply
    30,181.74x = 45,317.04 × 16,880.79
  4. Step 4: Simplify right side
    30,181.74x = 764,987,435.66
  5. Step 5: Solve for x
    x = 764,987,435.66/30,181.74
  6. Step 6: Final answer
    x = 25,346.03

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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.