Home / 31,540.59-43,525.86-17,393.43

Finding the Fourth Proportional to 31,540.59, 43,525.86 and 17,393.43

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Solution

The fourth proportional to 31,540.59, 43,525.86 and 17,393.43 is: 24,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,540.59 : 43,525.86 = 17,393.43 : x
  2. Step 2: Convert to fraction form
    31,540.59/43,525.86 = 17,393.43/x
  3. Step 3: Cross multiply
    31,540.59x = 43,525.86 × 17,393.43
  4. Step 4: Simplify right side
    31,540.59x = 757,064,097.10
  5. Step 5: Solve for x
    x = 757,064,097.10/31,540.59
  6. Step 6: Final answer
    x = 24,002.85

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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.