Home / 38,126.58-57,190.01-21,269.97

Finding the Fourth Proportional to 38,126.58, 57,190.01 and 21,269.97

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Solution

The fourth proportional to 38,126.58, 57,190.01 and 21,269.97 is: 31,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,126.58 : 57,190.01 = 21,269.97 : x
  2. Step 2: Convert to fraction form
    38,126.58/57,190.01 = 21,269.97/x
  3. Step 3: Cross multiply
    38,126.58x = 57,190.01 × 21,269.97
  4. Step 4: Simplify right side
    38,126.58x = 1,216,429,797.00
  5. Step 5: Solve for x
    x = 1,216,429,797.00/38,126.58
  6. Step 6: Final answer
    x = 31,905.03

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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.