Home / 20,067.20-30,003.60-14,818.40

Finding the Fourth Proportional to 20,067.20, 30,003.60 and 14,818.40

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Solution

The fourth proportional to 20,067.20, 30,003.60 and 14,818.40 is: 22,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.20 : 30,003.60 = 14,818.40 : x
  2. Step 2: Convert to fraction form
    20,067.20/30,003.60 = 14,818.40/x
  3. Step 3: Cross multiply
    20,067.20x = 30,003.60 × 14,818.40
  4. Step 4: Simplify right side
    20,067.20x = 444,605,346.24
  5. Step 5: Solve for x
    x = 444,605,346.24/20,067.20
  6. Step 6: Final answer
    x = 22,155.82

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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.