Home / 36,231.74-54,340.69-11,272.09

Finding the Fourth Proportional to 36,231.74, 54,340.69 and 11,272.09

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Solution

The fourth proportional to 36,231.74, 54,340.69 and 11,272.09 is: 16,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,231.74 : 54,340.69 = 11,272.09 : x
  2. Step 2: Convert to fraction form
    36,231.74/54,340.69 = 11,272.09/x
  3. Step 3: Cross multiply
    36,231.74x = 54,340.69 × 11,272.09
  4. Step 4: Simplify right side
    36,231.74x = 612,533,148.34
  5. Step 5: Solve for x
    x = 612,533,148.34/36,231.74
  6. Step 6: Final answer
    x = 16,905.98

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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.