Home / 36,640.63-50,563.17-20,508.15

Finding the Fourth Proportional to 36,640.63, 50,563.17 and 20,508.15

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Solution

The fourth proportional to 36,640.63, 50,563.17 and 20,508.15 is: 28,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640.63 : 50,563.17 = 20,508.15 : x
  2. Step 2: Convert to fraction form
    36,640.63/50,563.17 = 20,508.15/x
  3. Step 3: Cross multiply
    36,640.63x = 50,563.17 × 20,508.15
  4. Step 4: Simplify right side
    36,640.63x = 1,036,957,074.84
  5. Step 5: Solve for x
    x = 1,036,957,074.84/36,640.63
  6. Step 6: Final answer
    x = 28,300.75

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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.