Home / 36,386.78-50,213.68-20,471.25

Finding the Fourth Proportional to 36,386.78, 50,213.68 and 20,471.25

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Solution

The fourth proportional to 36,386.78, 50,213.68 and 20,471.25 is: 28,250.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386.78 : 50,213.68 = 20,471.25 : x
  2. Step 2: Convert to fraction form
    36,386.78/50,213.68 = 20,471.25/x
  3. Step 3: Cross multiply
    36,386.78x = 50,213.68 × 20,471.25
  4. Step 4: Simplify right side
    36,386.78x = 1,027,936,796.70
  5. Step 5: Solve for x
    x = 1,027,936,796.70/36,386.78
  6. Step 6: Final answer
    x = 28,250.28

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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.