Home / 20,241.34-30,160.79-18,033.10

Finding the Fourth Proportional to 20,241.34, 30,160.79 and 18,033.10

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Solution

The fourth proportional to 20,241.34, 30,160.79 and 18,033.10 is: 26,870.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.34 : 30,160.79 = 18,033.10 : x
  2. Step 2: Convert to fraction form
    20,241.34/30,160.79 = 18,033.10/x
  3. Step 3: Cross multiply
    20,241.34x = 30,160.79 × 18,033.10
  4. Step 4: Simplify right side
    20,241.34x = 543,892,542.15
  5. Step 5: Solve for x
    x = 543,892,542.15/20,241.34
  6. Step 6: Final answer
    x = 26,870.38

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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.