Home / 48,234.38-72,369.30-20,157.26

Finding the Fourth Proportional to 48,234.38, 72,369.30 and 20,157.26

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Solution

The fourth proportional to 48,234.38, 72,369.30 and 20,157.26 is: 30,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,234.38 : 72,369.30 = 20,157.26 : x
  2. Step 2: Convert to fraction form
    48,234.38/72,369.30 = 20,157.26/x
  3. Step 3: Cross multiply
    48,234.38x = 72,369.30 × 20,157.26
  4. Step 4: Simplify right side
    48,234.38x = 1,458,766,796.12
  5. Step 5: Solve for x
    x = 1,458,766,796.12/48,234.38
  6. Step 6: Final answer
    x = 30,243.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.