Home / 20,220.20-30,346.17-14,023.70

Finding the Fourth Proportional to 20,220.20, 30,346.17 and 14,023.70

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Solution

The fourth proportional to 20,220.20, 30,346.17 and 14,023.70 is: 21,046.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,220.20 : 30,346.17 = 14,023.70 : x
  2. Step 2: Convert to fraction form
    20,220.20/30,346.17 = 14,023.70/x
  3. Step 3: Cross multiply
    20,220.20x = 30,346.17 × 14,023.70
  4. Step 4: Simplify right side
    20,220.20x = 425,565,584.23
  5. Step 5: Solve for x
    x = 425,565,584.23/20,220.20
  6. Step 6: Final answer
    x = 21,046.56

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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.