Home / 29,538.41-40,739.96-18,929.03

Finding the Fourth Proportional to 29,538.41, 40,739.96 and 18,929.03

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Solution

The fourth proportional to 29,538.41, 40,739.96 and 18,929.03 is: 26,107.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,538.41 : 40,739.96 = 18,929.03 : x
  2. Step 2: Convert to fraction form
    29,538.41/40,739.96 = 18,929.03/x
  3. Step 3: Cross multiply
    29,538.41x = 40,739.96 × 18,929.03
  4. Step 4: Simplify right side
    29,538.41x = 771,167,768.66
  5. Step 5: Solve for x
    x = 771,167,768.66/29,538.41
  6. Step 6: Final answer
    x = 26,107.29

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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.