Home / 36,245.49-50,020.38-20,331.42

Finding the Fourth Proportional to 36,245.49, 50,020.38 and 20,331.42

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Solution

The fourth proportional to 36,245.49, 50,020.38 and 20,331.42 is: 28,058.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,245.49 : 50,020.38 = 20,331.42 : x
  2. Step 2: Convert to fraction form
    36,245.49/50,020.38 = 20,331.42/x
  3. Step 3: Cross multiply
    36,245.49x = 50,020.38 × 20,331.42
  4. Step 4: Simplify right side
    36,245.49x = 1,016,985,354.34
  5. Step 5: Solve for x
    x = 1,016,985,354.34/36,245.49
  6. Step 6: Final answer
    x = 28,058.26

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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.