Home / 43,289.70-64,922.40-13,716.60

Finding the Fourth Proportional to 43,289.70, 64,922.40 and 13,716.60

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Solution

The fourth proportional to 43,289.70, 64,922.40 and 13,716.60 is: 20,571.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,289.70 : 64,922.40 = 13,716.60 : x
  2. Step 2: Convert to fraction form
    43,289.70/64,922.40 = 13,716.60/x
  3. Step 3: Cross multiply
    43,289.70x = 64,922.40 × 13,716.60
  4. Step 4: Simplify right side
    43,289.70x = 890,514,591.84
  5. Step 5: Solve for x
    x = 890,514,591.84/43,289.70
  6. Step 6: Final answer
    x = 20,571.05

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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.