Home / 32,979.33-45,514.44-18,836.73

Finding the Fourth Proportional to 32,979.33, 45,514.44 and 18,836.73

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Solution

The fourth proportional to 32,979.33, 45,514.44 and 18,836.73 is: 25,996.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979.33 : 45,514.44 = 18,836.73 : x
  2. Step 2: Convert to fraction form
    32,979.33/45,514.44 = 18,836.73/x
  3. Step 3: Cross multiply
    32,979.33x = 45,514.44 × 18,836.73
  4. Step 4: Simplify right side
    32,979.33x = 857,343,217.38
  5. Step 5: Solve for x
    x = 857,343,217.38/32,979.33
  6. Step 6: Final answer
    x = 25,996.38

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Double scale
Find fourth proportional to 32,980.33, 45,515.82 and 18,837.73
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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.