Home / 36,780.16-50,757.12-20,012.80

Finding the Fourth Proportional to 36,780.16, 50,757.12 and 20,012.80

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Solution

The fourth proportional to 36,780.16, 50,757.12 and 20,012.80 is: 27,617.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,780.16 : 50,757.12 = 20,012.80 : x
  2. Step 2: Convert to fraction form
    36,780.16/50,757.12 = 20,012.80/x
  3. Step 3: Cross multiply
    36,780.16x = 50,757.12 × 20,012.80
  4. Step 4: Simplify right side
    36,780.16x = 1,015,792,091.14
  5. Step 5: Solve for x
    x = 1,015,792,091.14/36,780.16
  6. Step 6: Final answer
    x = 27,617.94

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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.