Home / 33,135.29-45,709.27-19,696.98

Finding the Fourth Proportional to 33,135.29, 45,709.27 and 19,696.98

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Solution

The fourth proportional to 33,135.29, 45,709.27 and 19,696.98 is: 27,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,135.29 : 45,709.27 = 19,696.98 : x
  2. Step 2: Convert to fraction form
    33,135.29/45,709.27 = 19,696.98/x
  3. Step 3: Cross multiply
    33,135.29x = 45,709.27 × 19,696.98
  4. Step 4: Simplify right side
    33,135.29x = 900,334,577.00
  5. Step 5: Solve for x
    x = 900,334,577.00/33,135.29
  6. Step 6: Final answer
    x = 27,171.47

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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.