Home / 36,145.89-54,234.34-13,974.83

Finding the Fourth Proportional to 36,145.89, 54,234.34 and 13,974.83

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Solution

The fourth proportional to 36,145.89, 54,234.34 and 13,974.83 is: 20,968.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145.89 : 54,234.34 = 13,974.83 : x
  2. Step 2: Convert to fraction form
    36,145.89/54,234.34 = 13,974.83/x
  3. Step 3: Cross multiply
    36,145.89x = 54,234.34 × 13,974.83
  4. Step 4: Simplify right side
    36,145.89x = 757,915,681.66
  5. Step 5: Solve for x
    x = 757,915,681.66/36,145.89
  6. Step 6: Final answer
    x = 20,968.24

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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.