Home / 31,525.20-43,512.19-19,597.55

Finding the Fourth Proportional to 31,525.20, 43,512.19 and 19,597.55

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Solution

The fourth proportional to 31,525.20, 43,512.19 and 19,597.55 is: 27,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,525.20 : 43,512.19 = 19,597.55 : x
  2. Step 2: Convert to fraction form
    31,525.20/43,512.19 = 19,597.55/x
  3. Step 3: Cross multiply
    31,525.20x = 43,512.19 × 19,597.55
  4. Step 4: Simplify right side
    31,525.20x = 852,732,052.58
  5. Step 5: Solve for x
    x = 852,732,052.58/31,525.20
  6. Step 6: Final answer
    x = 27,049.22

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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.