Home / 31,519.76-43,497.14-17,372.30

Finding the Fourth Proportional to 31,519.76, 43,497.14 and 17,372.30

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Solution

The fourth proportional to 31,519.76, 43,497.14 and 17,372.30 is: 23,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.76 : 43,497.14 = 17,372.30 : x
  2. Step 2: Convert to fraction form
    31,519.76/43,497.14 = 17,372.30/x
  3. Step 3: Cross multiply
    31,519.76x = 43,497.14 × 17,372.30
  4. Step 4: Simplify right side
    31,519.76x = 755,645,365.22
  5. Step 5: Solve for x
    x = 755,645,365.22/31,519.76
  6. Step 6: Final answer
    x = 23,973.70

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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.