Home / 70,910.28-106,366.53-20,995.44

Finding the Fourth Proportional to 70,910.28, 106,366.53 and 20,995.44

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Solution

The fourth proportional to 70,910.28, 106,366.53 and 20,995.44 is: 31,493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,910.28 : 106,366.53 = 20,995.44 : x
  2. Step 2: Convert to fraction form
    70,910.28/106,366.53 = 20,995.44/x
  3. Step 3: Cross multiply
    70,910.28x = 106,366.53 × 20,995.44
  4. Step 4: Simplify right side
    70,910.28x = 2,233,212,098.62
  5. Step 5: Solve for x
    x = 2,233,212,098.62/70,910.28
  6. Step 6: Final answer
    x = 31,493.49

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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.