Home / 33,220.98-45,848.52-20,471.44

Finding the Fourth Proportional to 33,220.98, 45,848.52 and 20,471.44

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Solution

The fourth proportional to 33,220.98, 45,848.52 and 20,471.44 is: 28,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220.98 : 45,848.52 = 20,471.44 : x
  2. Step 2: Convert to fraction form
    33,220.98/45,848.52 = 20,471.44/x
  3. Step 3: Cross multiply
    33,220.98x = 45,848.52 × 20,471.44
  4. Step 4: Simplify right side
    33,220.98x = 938,585,226.27
  5. Step 5: Solve for x
    x = 938,585,226.27/33,220.98
  6. Step 6: Final answer
    x = 28,252.79

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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.