Home / 36,426.78-50,269.50-20,511.18

Finding the Fourth Proportional to 36,426.78, 50,269.50 and 20,511.18

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Solution

The fourth proportional to 36,426.78, 50,269.50 and 20,511.18 is: 28,305.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,426.78 : 50,269.50 = 20,511.18 : x
  2. Step 2: Convert to fraction form
    36,426.78/50,269.50 = 20,511.18/x
  3. Step 3: Cross multiply
    36,426.78x = 50,269.50 × 20,511.18
  4. Step 4: Simplify right side
    36,426.78x = 1,031,086,763.01
  5. Step 5: Solve for x
    x = 1,031,086,763.01/36,426.78
  6. Step 6: Final answer
    x = 28,305.73

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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.