Home / 38,621.48-57,933.23-12,326.22

Finding the Fourth Proportional to 38,621.48, 57,933.23 and 12,326.22

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Solution

The fourth proportional to 38,621.48, 57,933.23 and 12,326.22 is: 18,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,621.48 : 57,933.23 = 12,326.22 : x
  2. Step 2: Convert to fraction form
    38,621.48/57,933.23 = 12,326.22/x
  3. Step 3: Cross multiply
    38,621.48x = 57,933.23 × 12,326.22
  4. Step 4: Simplify right side
    38,621.48x = 714,097,676.66
  5. Step 5: Solve for x
    x = 714,097,676.66/38,621.48
  6. Step 6: Final answer
    x = 18,489.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.