Home / 33,276.74-45,921.16-18,168.82

Finding the Fourth Proportional to 33,276.74, 45,921.16 and 18,168.82

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Solution

The fourth proportional to 33,276.74, 45,921.16 and 18,168.82 is: 25,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,276.74 : 45,921.16 = 18,168.82 : x
  2. Step 2: Convert to fraction form
    33,276.74/45,921.16 = 18,168.82/x
  3. Step 3: Cross multiply
    33,276.74x = 45,921.16 × 18,168.82
  4. Step 4: Simplify right side
    33,276.74x = 834,333,290.23
  5. Step 5: Solve for x
    x = 834,333,290.23/33,276.74
  6. Step 6: Final answer
    x = 25,072.57

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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.