Home / 43,697.18-65,555.50-12,530

Finding the Fourth Proportional to 43,697.18, 65,555.50 and 12,530

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Solution

The fourth proportional to 43,697.18, 65,555.50 and 12,530 is: 18,797.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,697.18 : 65,555.50 = 12,530 : x
  2. Step 2: Convert to fraction form
    43,697.18/65,555.50 = 12,530/x
  3. Step 3: Cross multiply
    43,697.18x = 65,555.50 × 12,530
  4. Step 4: Simplify right side
    43,697.18x = 821,410,415
  5. Step 5: Solve for x
    x = 821,410,415/43,697.18
  6. Step 6: Final answer
    x = 18,797.79

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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.