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Finding the Fourth Proportional to 33,160.44, 45,758.70 and 18,256.44

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Solution

The fourth proportional to 33,160.44, 45,758.70 and 18,256.44 is: 25,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,160.44 : 45,758.70 = 18,256.44 : x
  2. Step 2: Convert to fraction form
    33,160.44/45,758.70 = 18,256.44/x
  3. Step 3: Cross multiply
    33,160.44x = 45,758.70 × 18,256.44
  4. Step 4: Simplify right side
    33,160.44x = 835,390,961.03
  5. Step 5: Solve for x
    x = 835,390,961.03/33,160.44
  6. Step 6: Final answer
    x = 25,192.40

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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.