Home / 30,744.96-42,418.85-18,796.04

Finding the Fourth Proportional to 30,744.96, 42,418.85 and 18,796.04

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Solution

The fourth proportional to 30,744.96, 42,418.85 and 18,796.04 is: 25,932.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,744.96 : 42,418.85 = 18,796.04 : x
  2. Step 2: Convert to fraction form
    30,744.96/42,418.85 = 18,796.04/x
  3. Step 3: Cross multiply
    30,744.96x = 42,418.85 × 18,796.04
  4. Step 4: Simplify right side
    30,744.96x = 797,306,401.35
  5. Step 5: Solve for x
    x = 797,306,401.35/30,744.96
  6. Step 6: Final answer
    x = 25,932.91

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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.