Home / 22,241.79-33,329.88-20,995.20

Finding the Fourth Proportional to 22,241.79, 33,329.88 and 20,995.20

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Solution

The fourth proportional to 22,241.79, 33,329.88 and 20,995.20 is: 31,461.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,241.79 : 33,329.88 = 20,995.20 : x
  2. Step 2: Convert to fraction form
    22,241.79/33,329.88 = 20,995.20/x
  3. Step 3: Cross multiply
    22,241.79x = 33,329.88 × 20,995.20
  4. Step 4: Simplify right side
    22,241.79x = 699,767,496.58
  5. Step 5: Solve for x
    x = 699,767,496.58/22,241.79
  6. Step 6: Final answer
    x = 31,461.83

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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.