Home / 31,472.14-43,431.56-17,324.88

Finding the Fourth Proportional to 31,472.14, 43,431.56 and 17,324.88

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Solution

The fourth proportional to 31,472.14, 43,431.56 and 17,324.88 is: 23,908.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,472.14 : 43,431.56 = 17,324.88 : x
  2. Step 2: Convert to fraction form
    31,472.14/43,431.56 = 17,324.88/x
  3. Step 3: Cross multiply
    31,472.14x = 43,431.56 × 17,324.88
  4. Step 4: Simplify right side
    31,472.14x = 752,446,565.21
  5. Step 5: Solve for x
    x = 752,446,565.21/31,472.14
  6. Step 6: Final answer
    x = 23,908.34

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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.