Home / 43,914.63-65,873.76-12,749.88

Finding the Fourth Proportional to 43,914.63, 65,873.76 and 12,749.88

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Solution

The fourth proportional to 43,914.63, 65,873.76 and 12,749.88 is: 19,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,914.63 : 65,873.76 = 12,749.88 : x
  2. Step 2: Convert to fraction form
    43,914.63/65,873.76 = 12,749.88/x
  3. Step 3: Cross multiply
    43,914.63x = 65,873.76 × 12,749.88
  4. Step 4: Simplify right side
    43,914.63x = 839,882,535.15
  5. Step 5: Solve for x
    x = 839,882,535.15/43,914.63
  6. Step 6: Final answer
    x = 19,125.35

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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.