Home / 32,998.74-45,540.68-18,851.28

Finding the Fourth Proportional to 32,998.74, 45,540.68 and 18,851.28

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Solution

The fourth proportional to 32,998.74, 45,540.68 and 18,851.28 is: 26,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,998.74 : 45,540.68 = 18,851.28 : x
  2. Step 2: Convert to fraction form
    32,998.74/45,540.68 = 18,851.28/x
  3. Step 3: Cross multiply
    32,998.74x = 45,540.68 × 18,851.28
  4. Step 4: Simplify right side
    32,998.74x = 858,500,015.81
  5. Step 5: Solve for x
    x = 858,500,015.81/32,998.74
  6. Step 6: Final answer
    x = 26,016.15

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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.