Home / 54,262.72-81,518.84-38,289.03

Finding the Fourth Proportional to 54,262.72, 81,518.84 and 38,289.03

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Solution

The fourth proportional to 54,262.72, 81,518.84 and 38,289.03 is: 57,521.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,262.72 : 81,518.84 = 38,289.03 : x
  2. Step 2: Convert to fraction form
    54,262.72/81,518.84 = 38,289.03/x
  3. Step 3: Cross multiply
    54,262.72x = 81,518.84 × 38,289.03
  4. Step 4: Simplify right side
    54,262.72x = 3,121,277,310.33
  5. Step 5: Solve for x
    x = 3,121,277,310.33/54,262.72
  6. Step 6: Final answer
    x = 57,521.58

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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.