Home / 33,386.90-50,007.45-20,216.30

Finding the Fourth Proportional to 33,386.90, 50,007.45 and 20,216.30

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Solution

The fourth proportional to 33,386.90, 50,007.45 and 20,216.30 is: 30,280.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,386.90 : 50,007.45 = 20,216.30 : x
  2. Step 2: Convert to fraction form
    33,386.90/50,007.45 = 20,216.30/x
  3. Step 3: Cross multiply
    33,386.90x = 50,007.45 × 20,216.30
  4. Step 4: Simplify right side
    33,386.90x = 1,010,965,611.44
  5. Step 5: Solve for x
    x = 1,010,965,611.44/33,386.90
  6. Step 6: Final answer
    x = 30,280.31

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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.