Home / 36,638.44-50,555.68-20,505.64

Finding the Fourth Proportional to 36,638.44, 50,555.68 and 20,505.64

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Solution

The fourth proportional to 36,638.44, 50,555.68 and 20,505.64 is: 28,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,638.44 : 50,555.68 = 20,505.64 : x
  2. Step 2: Convert to fraction form
    36,638.44/50,555.68 = 20,505.64/x
  3. Step 3: Cross multiply
    36,638.44x = 50,555.68 × 20,505.64
  4. Step 4: Simplify right side
    36,638.44x = 1,036,676,574.04
  5. Step 5: Solve for x
    x = 1,036,676,574.04/36,638.44
  6. Step 6: Final answer
    x = 28,294.78

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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.