Home / 36,181.20-54,279.54-11,220.70

Finding the Fourth Proportional to 36,181.20, 54,279.54 and 11,220.70

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Solution

The fourth proportional to 36,181.20, 54,279.54 and 11,220.70 is: 16,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,181.20 : 54,279.54 = 11,220.70 : x
  2. Step 2: Convert to fraction form
    36,181.20/54,279.54 = 11,220.70/x
  3. Step 3: Cross multiply
    36,181.20x = 54,279.54 × 11,220.70
  4. Step 4: Simplify right side
    36,181.20x = 609,054,434.48
  5. Step 5: Solve for x
    x = 609,054,434.48/36,181.20
  6. Step 6: Final answer
    x = 16,833.45

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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.