Home / 35,310.42-48,731.76-20,200.08

Finding the Fourth Proportional to 35,310.42, 48,731.76 and 20,200.08

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Solution

The fourth proportional to 35,310.42, 48,731.76 and 20,200.08 is: 27,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,310.42 : 48,731.76 = 20,200.08 : x
  2. Step 2: Convert to fraction form
    35,310.42/48,731.76 = 20,200.08/x
  3. Step 3: Cross multiply
    35,310.42x = 48,731.76 × 20,200.08
  4. Step 4: Simplify right side
    35,310.42x = 984,385,450.54
  5. Step 5: Solve for x
    x = 984,385,450.54/35,310.42
  6. Step 6: Final answer
    x = 27,878.04

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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.