Home / 35,338.99-48,768.38-20,231.59

Finding the Fourth Proportional to 35,338.99, 48,768.38 and 20,231.59

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Solution

The fourth proportional to 35,338.99, 48,768.38 and 20,231.59 is: 27,919.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,338.99 : 48,768.38 = 20,231.59 : x
  2. Step 2: Convert to fraction form
    35,338.99/48,768.38 = 20,231.59/x
  3. Step 3: Cross multiply
    35,338.99x = 48,768.38 × 20,231.59
  4. Step 4: Simplify right side
    35,338.99x = 986,661,869.12
  5. Step 5: Solve for x
    x = 986,661,869.12/35,338.99
  6. Step 6: Final answer
    x = 27,919.92

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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.