Home / 35,285.85-48,698.35-20,179.92

Finding the Fourth Proportional to 35,285.85, 48,698.35 and 20,179.92

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Solution

The fourth proportional to 35,285.85, 48,698.35 and 20,179.92 is: 27,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,285.85 : 48,698.35 = 20,179.92 : x
  2. Step 2: Convert to fraction form
    35,285.85/48,698.35 = 20,179.92/x
  3. Step 3: Cross multiply
    35,285.85x = 48,698.35 × 20,179.92
  4. Step 4: Simplify right side
    35,285.85x = 982,728,807.13
  5. Step 5: Solve for x
    x = 982,728,807.13/35,285.85
  6. Step 6: Final answer
    x = 27,850.51

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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.