Home / 36,006.10-54,007.32-12,630.72

Finding the Fourth Proportional to 36,006.10, 54,007.32 and 12,630.72

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Solution

The fourth proportional to 36,006.10, 54,007.32 and 12,630.72 is: 18,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,006.10 : 54,007.32 = 12,630.72 : x
  2. Step 2: Convert to fraction form
    36,006.10/54,007.32 = 12,630.72/x
  3. Step 3: Cross multiply
    36,006.10x = 54,007.32 × 12,630.72
  4. Step 4: Simplify right side
    36,006.10x = 682,151,336.87
  5. Step 5: Solve for x
    x = 682,151,336.87/36,006.10
  6. Step 6: Final answer
    x = 18,945.44

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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.