Home / 36,172.88-54,267.78-11,211.62

Finding the Fourth Proportional to 36,172.88, 54,267.78 and 11,211.62

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Solution

The fourth proportional to 36,172.88, 54,267.78 and 11,211.62 is: 16,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,172.88 : 54,267.78 = 11,211.62 : x
  2. Step 2: Convert to fraction form
    36,172.88/54,267.78 = 11,211.62/x
  3. Step 3: Cross multiply
    36,172.88x = 54,267.78 × 11,211.62
  4. Step 4: Simplify right side
    36,172.88x = 608,429,727.60
  5. Step 5: Solve for x
    x = 608,429,727.60/36,172.88
  6. Step 6: Final answer
    x = 16,820.05

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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.