Home / 30,500.62-42,090.84-17,072.44

Finding the Fourth Proportional to 30,500.62, 42,090.84 and 17,072.44

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Solution

The fourth proportional to 30,500.62, 42,090.84 and 17,072.44 is: 23,559.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,500.62 : 42,090.84 = 17,072.44 : x
  2. Step 2: Convert to fraction form
    30,500.62/42,090.84 = 17,072.44/x
  3. Step 3: Cross multiply
    30,500.62x = 42,090.84 × 17,072.44
  4. Step 4: Simplify right side
    30,500.62x = 718,593,340.45
  5. Step 5: Solve for x
    x = 718,593,340.45/30,500.62
  6. Step 6: Final answer
    x = 23,559.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.