Home / 36,363.12-50,180.16-20,447.28

Finding the Fourth Proportional to 36,363.12, 50,180.16 and 20,447.28

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Solution

The fourth proportional to 36,363.12, 50,180.16 and 20,447.28 is: 28,216.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,363.12 : 50,180.16 = 20,447.28 : x
  2. Step 2: Convert to fraction form
    36,363.12/50,180.16 = 20,447.28/x
  3. Step 3: Cross multiply
    36,363.12x = 50,180.16 × 20,447.28
  4. Step 4: Simplify right side
    36,363.12x = 1,026,047,781.96
  5. Step 5: Solve for x
    x = 1,026,047,781.96/36,363.12
  6. Step 6: Final answer
    x = 28,216.71

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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.