Home / 31,301.57-43,197.26-17,154.41

Finding the Fourth Proportional to 31,301.57, 43,197.26 and 17,154.41

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Solution

The fourth proportional to 31,301.57, 43,197.26 and 17,154.41 is: 23,673.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,301.57 : 43,197.26 = 17,154.41 : x
  2. Step 2: Convert to fraction form
    31,301.57/43,197.26 = 17,154.41/x
  3. Step 3: Cross multiply
    31,301.57x = 43,197.26 × 17,154.41
  4. Step 4: Simplify right side
    31,301.57x = 741,023,207.16
  5. Step 5: Solve for x
    x = 741,023,207.16/31,301.57
  6. Step 6: Final answer
    x = 23,673.68

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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.