Home / 31,170.72-43,014.92-17,023.62

Finding the Fourth Proportional to 31,170.72, 43,014.92 and 17,023.62

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Solution

The fourth proportional to 31,170.72, 43,014.92 and 17,023.62 is: 23,492.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,170.72 : 43,014.92 = 17,023.62 : x
  2. Step 2: Convert to fraction form
    31,170.72/43,014.92 = 17,023.62/x
  3. Step 3: Cross multiply
    31,170.72x = 43,014.92 × 17,023.62
  4. Step 4: Simplify right side
    31,170.72x = 732,269,652.41
  5. Step 5: Solve for x
    x = 732,269,652.41/31,170.72
  6. Step 6: Final answer
    x = 23,492.23

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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.