Home / 33,279.83-45,926.24-18,172.61

Finding the Fourth Proportional to 33,279.83, 45,926.24 and 18,172.61

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Solution

The fourth proportional to 33,279.83, 45,926.24 and 18,172.61 is: 25,078.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,279.83 : 45,926.24 = 18,172.61 : x
  2. Step 2: Convert to fraction form
    33,279.83/45,926.24 = 18,172.61/x
  3. Step 3: Cross multiply
    33,279.83x = 45,926.24 × 18,172.61
  4. Step 4: Simplify right side
    33,279.83x = 834,599,648.29
  5. Step 5: Solve for x
    x = 834,599,648.29/33,279.83
  6. Step 6: Final answer
    x = 25,078.24

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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.