Home / 38,474.09-57,714.42-13,511.96

Finding the Fourth Proportional to 38,474.09, 57,714.42 and 13,511.96

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Solution

The fourth proportional to 38,474.09, 57,714.42 and 13,511.96 is: 20,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,474.09 : 57,714.42 = 13,511.96 : x
  2. Step 2: Convert to fraction form
    38,474.09/57,714.42 = 13,511.96/x
  3. Step 3: Cross multiply
    38,474.09x = 57,714.42 × 13,511.96
  4. Step 4: Simplify right side
    38,474.09x = 779,835,237.63
  5. Step 5: Solve for x
    x = 779,835,237.63/38,474.09
  6. Step 6: Final answer
    x = 20,269.10

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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.