Home / 43,216.34-64,829.97-13,629.87

Finding the Fourth Proportional to 43,216.34, 64,829.97 and 13,629.87

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Solution

The fourth proportional to 43,216.34, 64,829.97 and 13,629.87 is: 20,446.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,216.34 : 64,829.97 = 13,629.87 : x
  2. Step 2: Convert to fraction form
    43,216.34/64,829.97 = 13,629.87/x
  3. Step 3: Cross multiply
    43,216.34x = 64,829.97 × 13,629.87
  4. Step 4: Simplify right side
    43,216.34x = 883,624,063.20
  5. Step 5: Solve for x
    x = 883,624,063.20/43,216.34
  6. Step 6: Final answer
    x = 20,446.53

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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.