Home / 43,181.25-64,775.60-12,016.50

Finding the Fourth Proportional to 43,181.25, 64,775.60 and 12,016.50

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Solution

The fourth proportional to 43,181.25, 64,775.60 and 12,016.50 is: 18,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,181.25 : 64,775.60 = 12,016.50 : x
  2. Step 2: Convert to fraction form
    43,181.25/64,775.60 = 12,016.50/x
  3. Step 3: Cross multiply
    43,181.25x = 64,775.60 × 12,016.50
  4. Step 4: Simplify right side
    43,181.25x = 778,375,937.32
  5. Step 5: Solve for x
    x = 778,375,937.32/43,181.25
  6. Step 6: Final answer
    x = 18,025.79

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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.