Home / 36,278.64-50,064.72-20,363.28

Finding the Fourth Proportional to 36,278.64, 50,064.72 and 20,363.28

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Solution

The fourth proportional to 36,278.64, 50,064.72 and 20,363.28 is: 28,101.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,278.64 : 50,064.72 = 20,363.28 : x
  2. Step 2: Convert to fraction form
    36,278.64/50,064.72 = 20,363.28/x
  3. Step 3: Cross multiply
    36,278.64x = 50,064.72 × 20,363.28
  4. Step 4: Simplify right side
    36,278.64x = 1,019,481,911.48
  5. Step 5: Solve for x
    x = 1,019,481,911.48/36,278.64
  6. Step 6: Final answer
    x = 28,101.44

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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.