Home / 36,553.18-50,442.96-20,638.30

Finding the Fourth Proportional to 36,553.18, 50,442.96 and 20,638.30

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Solution

The fourth proportional to 36,553.18, 50,442.96 and 20,638.30 is: 28,480.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,553.18 : 50,442.96 = 20,638.30 : x
  2. Step 2: Convert to fraction form
    36,553.18/50,442.96 = 20,638.30/x
  3. Step 3: Cross multiply
    36,553.18x = 50,442.96 × 20,638.30
  4. Step 4: Simplify right side
    36,553.18x = 1,041,056,941.37
  5. Step 5: Solve for x
    x = 1,041,056,941.37/36,553.18
  6. Step 6: Final answer
    x = 28,480.61

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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.