Home / 43,179.83-64,778.48-18,219.95

Finding the Fourth Proportional to 43,179.83, 64,778.48 and 18,219.95

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Solution

The fourth proportional to 43,179.83, 64,778.48 and 18,219.95 is: 27,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,179.83 : 64,778.48 = 18,219.95 : x
  2. Step 2: Convert to fraction form
    43,179.83/64,778.48 = 18,219.95/x
  3. Step 3: Cross multiply
    43,179.83x = 64,778.48 × 18,219.95
  4. Step 4: Simplify right side
    43,179.83x = 1,180,260,388.33
  5. Step 5: Solve for x
    x = 1,180,260,388.33/43,179.83
  6. Step 6: Final answer
    x = 27,333.60

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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.