Home / 30,008.82-41,398.26-19,401.84

Finding the Fourth Proportional to 30,008.82, 41,398.26 and 19,401.84

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Solution

The fourth proportional to 30,008.82, 41,398.26 and 19,401.84 is: 26,765.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,008.82 : 41,398.26 = 19,401.84 : x
  2. Step 2: Convert to fraction form
    30,008.82/41,398.26 = 19,401.84/x
  3. Step 3: Cross multiply
    30,008.82x = 41,398.26 × 19,401.84
  4. Step 4: Simplify right side
    30,008.82x = 803,202,416.80
  5. Step 5: Solve for x
    x = 803,202,416.80/30,008.82
  6. Step 6: Final answer
    x = 26,765.54

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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.