Home / 35,936.80-49,589.55-20,020.90

Finding the Fourth Proportional to 35,936.80, 49,589.55 and 20,020.90

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Solution

The fourth proportional to 35,936.80, 49,589.55 and 20,020.90 is: 27,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,936.80 : 49,589.55 = 20,020.90 : x
  2. Step 2: Convert to fraction form
    35,936.80/49,589.55 = 20,020.90/x
  3. Step 3: Cross multiply
    35,936.80x = 49,589.55 × 20,020.90
  4. Step 4: Simplify right side
    35,936.80x = 992,827,421.60
  5. Step 5: Solve for x
    x = 992,827,421.60/35,936.80
  6. Step 6: Final answer
    x = 27,627.04

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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.