Home / 36,270.21-50,050.32-20,138.40

Finding the Fourth Proportional to 36,270.21, 50,050.32 and 20,138.40

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Solution

The fourth proportional to 36,270.21, 50,050.32 and 20,138.40 is: 27,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,270.21 : 50,050.32 = 20,138.40 : x
  2. Step 2: Convert to fraction form
    36,270.21/50,050.32 = 20,138.40/x
  3. Step 3: Cross multiply
    36,270.21x = 50,050.32 × 20,138.40
  4. Step 4: Simplify right side
    36,270.21x = 1,007,933,364.29
  5. Step 5: Solve for x
    x = 1,007,933,364.29/36,270.21
  6. Step 6: Final answer
    x = 27,789.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.