Home / 36,074.88-54,099.35-21,087.12

Finding the Fourth Proportional to 36,074.88, 54,099.35 and 21,087.12

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Solution

The fourth proportional to 36,074.88, 54,099.35 and 21,087.12 is: 31,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,074.88 : 54,099.35 = 21,087.12 : x
  2. Step 2: Convert to fraction form
    36,074.88/54,099.35 = 21,087.12/x
  3. Step 3: Cross multiply
    36,074.88x = 54,099.35 × 21,087.12
  4. Step 4: Simplify right side
    36,074.88x = 1,140,799,379.94
  5. Step 5: Solve for x
    x = 1,140,799,379.94/36,074.88
  6. Step 6: Final answer
    x = 31,623.10

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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.