Home / 31,658.16-43,659.36-27,180.48

Finding the Fourth Proportional to 31,658.16, 43,659.36 and 27,180.48

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Solution

The fourth proportional to 31,658.16, 43,659.36 and 27,180.48 is: 37,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,658.16 : 43,659.36 = 27,180.48 : x
  2. Step 2: Convert to fraction form
    31,658.16/43,659.36 = 27,180.48/x
  3. Step 3: Cross multiply
    31,658.16x = 43,659.36 × 27,180.48
  4. Step 4: Simplify right side
    31,658.16x = 1,186,682,361.29
  5. Step 5: Solve for x
    x = 1,186,682,361.29/31,658.16
  6. Step 6: Final answer
    x = 37,484.25

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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.