Home / 35,282.58-48,690.88-20,177.70

Finding the Fourth Proportional to 35,282.58, 48,690.88 and 20,177.70

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Solution

The fourth proportional to 35,282.58, 48,690.88 and 20,177.70 is: 27,845.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,282.58 : 48,690.88 = 20,177.70 : x
  2. Step 2: Convert to fraction form
    35,282.58/48,690.88 = 20,177.70/x
  3. Step 3: Cross multiply
    35,282.58x = 48,690.88 × 20,177.70
  4. Step 4: Simplify right side
    35,282.58x = 982,469,969.38
  5. Step 5: Solve for x
    x = 982,469,969.38/35,282.58
  6. Step 6: Final answer
    x = 27,845.75

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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.