Home / 43,076.80-64,615.23-13,496.94

Finding the Fourth Proportional to 43,076.80, 64,615.23 and 13,496.94

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Solution

The fourth proportional to 43,076.80, 64,615.23 and 13,496.94 is: 20,245.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,076.80 : 64,615.23 = 13,496.94 : x
  2. Step 2: Convert to fraction form
    43,076.80/64,615.23 = 13,496.94/x
  3. Step 3: Cross multiply
    43,076.80x = 64,615.23 × 13,496.94
  4. Step 4: Simplify right side
    43,076.80x = 872,107,949.54
  5. Step 5: Solve for x
    x = 872,107,949.54/43,076.80
  6. Step 6: Final answer
    x = 20,245.42

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1.5x scale

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.