Home / 36,272.26-50,057.28-20,139.57

Finding the Fourth Proportional to 36,272.26, 50,057.28 and 20,139.57

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Solution

The fourth proportional to 36,272.26, 50,057.28 and 20,139.57 is: 27,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,272.26 : 50,057.28 = 20,139.57 : x
  2. Step 2: Convert to fraction form
    36,272.26/50,057.28 = 20,139.57/x
  3. Step 3: Cross multiply
    36,272.26x = 50,057.28 × 20,139.57
  4. Step 4: Simplify right side
    36,272.26x = 1,008,132,094.57
  5. Step 5: Solve for x
    x = 1,008,132,094.57/36,272.26
  6. Step 6: Final answer
    x = 27,793.47

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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.