Home / 20,305.52-30,450.60-8,624.24

Finding the Fourth Proportional to 20,305.52, 30,450.60 and 8,624.24

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Solution

The fourth proportional to 20,305.52, 30,450.60 and 8,624.24 is: 12,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,305.52 : 30,450.60 = 8,624.24 : x
  2. Step 2: Convert to fraction form
    20,305.52/30,450.60 = 8,624.24/x
  3. Step 3: Cross multiply
    20,305.52x = 30,450.60 × 8,624.24
  4. Step 4: Simplify right side
    20,305.52x = 262,613,282.54
  5. Step 5: Solve for x
    x = 262,613,282.54/20,305.52
  6. Step 6: Final answer
    x = 12,933.10

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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.