Home / 43,914.45-65,873.50-12,749.70

Finding the Fourth Proportional to 43,914.45, 65,873.50 and 12,749.70

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Solution

The fourth proportional to 43,914.45, 65,873.50 and 12,749.70 is: 19,125.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,914.45 : 65,873.50 = 12,749.70 : x
  2. Step 2: Convert to fraction form
    43,914.45/65,873.50 = 12,749.70/x
  3. Step 3: Cross multiply
    43,914.45x = 65,873.50 × 12,749.70
  4. Step 4: Simplify right side
    43,914.45x = 839,867,362.95
  5. Step 5: Solve for x
    x = 839,867,362.95/43,914.45
  6. Step 6: Final answer
    x = 19,125.08

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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.