Home / 30,040.20-44,965.82-20,625.12

Finding the Fourth Proportional to 30,040.20, 44,965.82 and 20,625.12

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Solution

The fourth proportional to 30,040.20, 44,965.82 and 20,625.12 is: 30,872.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,040.20 : 44,965.82 = 20,625.12 : x
  2. Step 2: Convert to fraction form
    30,040.20/44,965.82 = 20,625.12/x
  3. Step 3: Cross multiply
    30,040.20x = 44,965.82 × 20,625.12
  4. Step 4: Simplify right side
    30,040.20x = 927,425,433.40
  5. Step 5: Solve for x
    x = 927,425,433.40/30,040.20
  6. Step 6: Final answer
    x = 30,872.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.