Home / 20,004.35-30,025.36-10,150.70

Finding the Fourth Proportional to 20,004.35, 30,025.36 and 10,150.70

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Solution

The fourth proportional to 20,004.35, 30,025.36 and 10,150.70 is: 15,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.35 : 30,025.36 = 10,150.70 : x
  2. Step 2: Convert to fraction form
    20,004.35/30,025.36 = 10,150.70/x
  3. Step 3: Cross multiply
    20,004.35x = 30,025.36 × 10,150.70
  4. Step 4: Simplify right side
    20,004.35x = 304,778,453.21
  5. Step 5: Solve for x
    x = 304,778,453.21/20,004.35
  6. Step 6: Final answer
    x = 15,235.61

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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.