Home / 36,208.20-54,272.70-12,822.60

Finding the Fourth Proportional to 36,208.20, 54,272.70 and 12,822.60

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Solution

The fourth proportional to 36,208.20, 54,272.70 and 12,822.60 is: 19,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,208.20 : 54,272.70 = 12,822.60 : x
  2. Step 2: Convert to fraction form
    36,208.20/54,272.70 = 12,822.60/x
  3. Step 3: Cross multiply
    36,208.20x = 54,272.70 × 12,822.60
  4. Step 4: Simplify right side
    36,208.20x = 695,917,123.02
  5. Step 5: Solve for x
    x = 695,917,123.02/36,208.20
  6. Step 6: Final answer
    x = 19,219.88

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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.