Home / 30,319.03-41,825.21-20,260.96

Finding the Fourth Proportional to 30,319.03, 41,825.21 and 20,260.96

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Solution

The fourth proportional to 30,319.03, 41,825.21 and 20,260.96 is: 27,950.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,319.03 : 41,825.21 = 20,260.96 : x
  2. Step 2: Convert to fraction form
    30,319.03/41,825.21 = 20,260.96/x
  3. Step 3: Cross multiply
    30,319.03x = 41,825.21 × 20,260.96
  4. Step 4: Simplify right side
    30,319.03x = 847,418,906.80
  5. Step 5: Solve for x
    x = 847,418,906.80/30,319.03
  6. Step 6: Final answer
    x = 27,950.07

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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.