Home / 35,268.66-48,670.76-20,161.64

Finding the Fourth Proportional to 35,268.66, 48,670.76 and 20,161.64

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Solution

The fourth proportional to 35,268.66, 48,670.76 and 20,161.64 is: 27,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,268.66 : 48,670.76 = 20,161.64 : x
  2. Step 2: Convert to fraction form
    35,268.66/48,670.76 = 20,161.64/x
  3. Step 3: Cross multiply
    35,268.66x = 48,670.76 × 20,161.64
  4. Step 4: Simplify right side
    35,268.66x = 981,281,997.48
  5. Step 5: Solve for x
    x = 981,281,997.48/35,268.66
  6. Step 6: Final answer
    x = 27,823.06

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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.