Home / 33,631.20-46,396.80-19,478.88

Finding the Fourth Proportional to 33,631.20, 46,396.80 and 19,478.88

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Solution

The fourth proportional to 33,631.20, 46,396.80 and 19,478.88 is: 26,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,631.20 : 46,396.80 = 19,478.88 : x
  2. Step 2: Convert to fraction form
    33,631.20/46,396.80 = 19,478.88/x
  3. Step 3: Cross multiply
    33,631.20x = 46,396.80 × 19,478.88
  4. Step 4: Simplify right side
    33,631.20x = 903,757,699.58
  5. Step 5: Solve for x
    x = 903,757,699.58/33,631.20
  6. Step 6: Final answer
    x = 26,872.60

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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.