Home / 36,310.78-50,108.88-20,395.24

Finding the Fourth Proportional to 36,310.78, 50,108.88 and 20,395.24

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Solution

The fourth proportional to 36,310.78, 50,108.88 and 20,395.24 is: 28,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,310.78 : 50,108.88 = 20,395.24 : x
  2. Step 2: Convert to fraction form
    36,310.78/50,108.88 = 20,395.24/x
  3. Step 3: Cross multiply
    36,310.78x = 50,108.88 × 20,395.24
  4. Step 4: Simplify right side
    36,310.78x = 1,021,982,752.08
  5. Step 5: Solve for x
    x = 1,021,982,752.08/36,310.78
  6. Step 6: Final answer
    x = 28,145.44

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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.