Home / 36,513.42-50,385.45-20,379.27

Finding the Fourth Proportional to 36,513.42, 50,385.45 and 20,379.27

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Solution

The fourth proportional to 36,513.42, 50,385.45 and 20,379.27 is: 28,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,513.42 : 50,385.45 = 20,379.27 : x
  2. Step 2: Convert to fraction form
    36,513.42/50,385.45 = 20,379.27/x
  3. Step 3: Cross multiply
    36,513.42x = 50,385.45 × 20,379.27
  4. Step 4: Simplify right side
    36,513.42x = 1,026,818,689.62
  5. Step 5: Solve for x
    x = 1,026,818,689.62/36,513.42
  6. Step 6: Final answer
    x = 28,121.68

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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.