Home / 35,120.76-48,464.16-20,012.94

Finding the Fourth Proportional to 35,120.76, 48,464.16 and 20,012.94

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Solution

The fourth proportional to 35,120.76, 48,464.16 and 20,012.94 is: 27,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,120.76 : 48,464.16 = 20,012.94 : x
  2. Step 2: Convert to fraction form
    35,120.76/48,464.16 = 20,012.94/x
  3. Step 3: Cross multiply
    35,120.76x = 48,464.16 × 20,012.94
  4. Step 4: Simplify right side
    35,120.76x = 969,910,326.23
  5. Step 5: Solve for x
    x = 969,910,326.23/35,120.76
  6. Step 6: Final answer
    x = 27,616.44

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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.