Home / 35,284.85-48,696.97-20,178.92

Finding the Fourth Proportional to 35,284.85, 48,696.97 and 20,178.92

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Solution

The fourth proportional to 35,284.85, 48,696.97 and 20,178.92 is: 27,849.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,284.85 : 48,696.97 = 20,178.92 : x
  2. Step 2: Convert to fraction form
    35,284.85/48,696.97 = 20,178.92/x
  3. Step 3: Cross multiply
    35,284.85x = 48,696.97 × 20,178.92
  4. Step 4: Simplify right side
    35,284.85x = 982,652,273.68
  5. Step 5: Solve for x
    x = 982,652,273.68/35,284.85
  6. Step 6: Final answer
    x = 27,849.12

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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.