Home / 43,918.68-65,884.50-12,749.88

Finding the Fourth Proportional to 43,918.68, 65,884.50 and 12,749.88

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Solution

The fourth proportional to 43,918.68, 65,884.50 and 12,749.88 is: 19,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,918.68 : 65,884.50 = 12,749.88 : x
  2. Step 2: Convert to fraction form
    43,918.68/65,884.50 = 12,749.88/x
  3. Step 3: Cross multiply
    43,918.68x = 65,884.50 × 12,749.88
  4. Step 4: Simplify right side
    43,918.68x = 840,019,468.86
  5. Step 5: Solve for x
    x = 840,019,468.86/43,918.68
  6. Step 6: Final answer
    x = 19,126.70

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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.