Home / 32,998.60-45,540.66-18,856

Finding the Fourth Proportional to 32,998.60, 45,540.66 and 18,856

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Solution

The fourth proportional to 32,998.60, 45,540.66 and 18,856 is: 26,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,998.60 : 45,540.66 = 18,856 : x
  2. Step 2: Convert to fraction form
    32,998.60/45,540.66 = 18,856/x
  3. Step 3: Cross multiply
    32,998.60x = 45,540.66 × 18,856
  4. Step 4: Simplify right side
    32,998.60x = 858,714,684.96
  5. Step 5: Solve for x
    x = 858,714,684.96/32,998.60
  6. Step 6: Final answer
    x = 26,022.76

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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.