Home / 43,917.60-65,880.99-12,752.85

Finding the Fourth Proportional to 43,917.60, 65,880.99 and 12,752.85

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Solution

The fourth proportional to 43,917.60, 65,880.99 and 12,752.85 is: 19,130.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,917.60 : 65,880.99 = 12,752.85 : x
  2. Step 2: Convert to fraction form
    43,917.60/65,880.99 = 12,752.85/x
  3. Step 3: Cross multiply
    43,917.60x = 65,880.99 × 12,752.85
  4. Step 4: Simplify right side
    43,917.60x = 840,170,383.32
  5. Step 5: Solve for x
    x = 840,170,383.32/43,917.60
  6. Step 6: Final answer
    x = 19,130.61

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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.