Home / 30,401.82-41,961.51-17,830.62

Finding the Fourth Proportional to 30,401.82, 41,961.51 and 17,830.62

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Solution

The fourth proportional to 30,401.82, 41,961.51 and 17,830.62 is: 24,610.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,401.82 : 41,961.51 = 17,830.62 : x
  2. Step 2: Convert to fraction form
    30,401.82/41,961.51 = 17,830.62/x
  3. Step 3: Cross multiply
    30,401.82x = 41,961.51 × 17,830.62
  4. Step 4: Simplify right side
    30,401.82x = 748,199,739.44
  5. Step 5: Solve for x
    x = 748,199,739.44/30,401.82
  6. Step 6: Final answer
    x = 24,610.36

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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.