Home / 31,333.68-43,215.36-27,548.80

Finding the Fourth Proportional to 31,333.68, 43,215.36 and 27,548.80

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Solution

The fourth proportional to 31,333.68, 43,215.36 and 27,548.80 is: 37,995.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,333.68 : 43,215.36 = 27,548.80 : x
  2. Step 2: Convert to fraction form
    31,333.68/43,215.36 = 27,548.80/x
  3. Step 3: Cross multiply
    31,333.68x = 43,215.36 × 27,548.80
  4. Step 4: Simplify right side
    31,333.68x = 1,190,531,309.57
  5. Step 5: Solve for x
    x = 1,190,531,309.57/31,333.68
  6. Step 6: Final answer
    x = 37,995.26

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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.