Home / 31,519.28-43,496.48-17,372.12

Finding the Fourth Proportional to 31,519.28, 43,496.48 and 17,372.12

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Solution

The fourth proportional to 31,519.28, 43,496.48 and 17,372.12 is: 23,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.28 : 43,496.48 = 17,372.12 : x
  2. Step 2: Convert to fraction form
    31,519.28/43,496.48 = 17,372.12/x
  3. Step 3: Cross multiply
    31,519.28x = 43,496.48 × 17,372.12
  4. Step 4: Simplify right side
    31,519.28x = 755,625,983.28
  5. Step 5: Solve for x
    x = 755,625,983.28/31,519.28
  6. Step 6: Final answer
    x = 23,973.45

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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.