Home / 36,310.55-50,108.56-20,400.12

Finding the Fourth Proportional to 36,310.55, 50,108.56 and 20,400.12

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Solution

The fourth proportional to 36,310.55, 50,108.56 and 20,400.12 is: 28,152.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,310.55 : 50,108.56 = 20,400.12 : x
  2. Step 2: Convert to fraction form
    36,310.55/50,108.56 = 20,400.12/x
  3. Step 3: Cross multiply
    36,310.55x = 50,108.56 × 20,400.12
  4. Step 4: Simplify right side
    36,310.55x = 1,022,220,586.03
  5. Step 5: Solve for x
    x = 1,022,220,586.03/36,310.55
  6. Step 6: Final answer
    x = 28,152.17

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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.