Home / 35,611.38-49,128.85-20,500.42

Finding the Fourth Proportional to 35,611.38, 49,128.85 and 20,500.42

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Solution

The fourth proportional to 35,611.38, 49,128.85 and 20,500.42 is: 28,282.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,611.38 : 49,128.85 = 20,500.42 : x
  2. Step 2: Convert to fraction form
    35,611.38/49,128.85 = 20,500.42/x
  3. Step 3: Cross multiply
    35,611.38x = 49,128.85 × 20,500.42
  4. Step 4: Simplify right side
    35,611.38x = 1,007,162,059.12
  5. Step 5: Solve for x
    x = 1,007,162,059.12/35,611.38
  6. Step 6: Final answer
    x = 28,282.03

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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.