Home / 31,393.12-43,322.22-17,052.64

Finding the Fourth Proportional to 31,393.12, 43,322.22 and 17,052.64

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Solution

The fourth proportional to 31,393.12, 43,322.22 and 17,052.64 is: 23,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393.12 : 43,322.22 = 17,052.64 : x
  2. Step 2: Convert to fraction form
    31,393.12/43,322.22 = 17,052.64/x
  3. Step 3: Cross multiply
    31,393.12x = 43,322.22 × 17,052.64
  4. Step 4: Simplify right side
    31,393.12x = 738,758,221.66
  5. Step 5: Solve for x
    x = 738,758,221.66/31,393.12
  6. Step 6: Final answer
    x = 23,532.49

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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.