Home / 33,251.32-45,891.21-21,152.98

Finding the Fourth Proportional to 33,251.32, 45,891.21 and 21,152.98

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Solution

The fourth proportional to 33,251.32, 45,891.21 and 21,152.98 is: 29,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,251.32 : 45,891.21 = 21,152.98 : x
  2. Step 2: Convert to fraction form
    33,251.32/45,891.21 = 21,152.98/x
  3. Step 3: Cross multiply
    33,251.32x = 45,891.21 × 21,152.98
  4. Step 4: Simplify right side
    33,251.32x = 970,735,847.31
  5. Step 5: Solve for x
    x = 970,735,847.31/33,251.32
  6. Step 6: Final answer
    x = 29,193.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.