Home / 20,496.45-30,752.10-7,171.41

Finding the Fourth Proportional to 20,496.45, 30,752.10 and 7,171.41

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Solution

The fourth proportional to 20,496.45, 30,752.10 and 7,171.41 is: 10,759.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.45 : 30,752.10 = 7,171.41 : x
  2. Step 2: Convert to fraction form
    20,496.45/30,752.10 = 7,171.41/x
  3. Step 3: Cross multiply
    20,496.45x = 30,752.10 × 7,171.41
  4. Step 4: Simplify right side
    20,496.45x = 220,535,917.46
  5. Step 5: Solve for x
    x = 220,535,917.46/20,496.45
  6. Step 6: Final answer
    x = 10,759.71

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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.