Home / 35,449.02-48,919.24-20,135.46

Finding the Fourth Proportional to 35,449.02, 48,919.24 and 20,135.46

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Solution

The fourth proportional to 35,449.02, 48,919.24 and 20,135.46 is: 27,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,449.02 : 48,919.24 = 20,135.46 : x
  2. Step 2: Convert to fraction form
    35,449.02/48,919.24 = 20,135.46/x
  3. Step 3: Cross multiply
    35,449.02x = 48,919.24 × 20,135.46
  4. Step 4: Simplify right side
    35,449.02x = 985,011,299.57
  5. Step 5: Solve for x
    x = 985,011,299.57/35,449.02
  6. Step 6: Final answer
    x = 27,786.70

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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.