Home / 31,659.16-43,660.74-27,181.48

Finding the Fourth Proportional to 31,659.16, 43,660.74 and 27,181.48

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Solution

The fourth proportional to 31,659.16, 43,660.74 and 27,181.48 is: 37,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,659.16 : 43,660.74 = 27,181.48 : x
  2. Step 2: Convert to fraction form
    31,659.16/43,660.74 = 27,181.48/x
  3. Step 3: Cross multiply
    31,659.16x = 43,660.74 × 27,181.48
  4. Step 4: Simplify right side
    31,659.16x = 1,186,763,531.10
  5. Step 5: Solve for x
    x = 1,186,763,531.10/31,659.16
  6. Step 6: Final answer
    x = 37,485.63

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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.