Home / 36,420.50-50,260.23-20,505.02

Finding the Fourth Proportional to 36,420.50, 50,260.23 and 20,505.02

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Solution

The fourth proportional to 36,420.50, 50,260.23 and 20,505.02 is: 28,296.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,420.50 : 50,260.23 = 20,505.02 : x
  2. Step 2: Convert to fraction form
    36,420.50/50,260.23 = 20,505.02/x
  3. Step 3: Cross multiply
    36,420.50x = 50,260.23 × 20,505.02
  4. Step 4: Simplify right side
    36,420.50x = 1,030,586,770.05
  5. Step 5: Solve for x
    x = 1,030,586,770.05/36,420.50
  6. Step 6: Final answer
    x = 28,296.88

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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.