Home / 20,241.59-30,161.17-18,033.35

Finding the Fourth Proportional to 20,241.59, 30,161.17 and 18,033.35

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Solution

The fourth proportional to 20,241.59, 30,161.17 and 18,033.35 is: 26,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.59 : 30,161.17 = 18,033.35 : x
  2. Step 2: Convert to fraction form
    20,241.59/30,161.17 = 18,033.35/x
  3. Step 3: Cross multiply
    20,241.59x = 30,161.17 × 18,033.35
  4. Step 4: Simplify right side
    20,241.59x = 543,906,844.85
  5. Step 5: Solve for x
    x = 543,906,844.85/20,241.59
  6. Step 6: Final answer
    x = 26,870.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.