Home / 20,027.52-30,039.60-6,176.64

Finding the Fourth Proportional to 20,027.52, 30,039.60 and 6,176.64

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Solution

The fourth proportional to 20,027.52, 30,039.60 and 6,176.64 is: 9,264.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.52 : 30,039.60 = 6,176.64 : x
  2. Step 2: Convert to fraction form
    20,027.52/30,039.60 = 6,176.64/x
  3. Step 3: Cross multiply
    20,027.52x = 30,039.60 × 6,176.64
  4. Step 4: Simplify right side
    20,027.52x = 185,543,794.94
  5. Step 5: Solve for x
    x = 185,543,794.94/20,027.52
  6. Step 6: Final answer
    x = 9,264.44

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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.