Home / 81,538.46-122,292.23-25,379.27

Finding the Fourth Proportional to 81,538.46, 122,292.23 and 25,379.27

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Solution

The fourth proportional to 81,538.46, 122,292.23 and 25,379.27 is: 38,064.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,538.46 : 122,292.23 = 25,379.27 : x
  2. Step 2: Convert to fraction form
    81,538.46/122,292.23 = 25,379.27/x
  3. Step 3: Cross multiply
    81,538.46x = 122,292.23 × 25,379.27
  4. Step 4: Simplify right side
    81,538.46x = 3,103,687,524.07
  5. Step 5: Solve for x
    x = 3,103,687,524.07/81,538.46
  6. Step 6: Final answer
    x = 38,064.09

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1.5x scale

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.