Home / 31,522.96-43,500.85-17,375.86

Finding the Fourth Proportional to 31,522.96, 43,500.85 and 17,375.86

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Solution

The fourth proportional to 31,522.96, 43,500.85 and 17,375.86 is: 23,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,522.96 : 43,500.85 = 17,375.86 : x
  2. Step 2: Convert to fraction form
    31,522.96/43,500.85 = 17,375.86/x
  3. Step 3: Cross multiply
    31,522.96x = 43,500.85 × 17,375.86
  4. Step 4: Simplify right side
    31,522.96x = 755,864,679.48
  5. Step 5: Solve for x
    x = 755,864,679.48/31,522.96
  6. Step 6: Final answer
    x = 23,978.23

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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.