Home / 31,861.38-43,963.52-17,713.86

Finding the Fourth Proportional to 31,861.38, 43,963.52 and 17,713.86

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Solution

The fourth proportional to 31,861.38, 43,963.52 and 17,713.86 is: 24,442.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,861.38 : 43,963.52 = 17,713.86 : x
  2. Step 2: Convert to fraction form
    31,861.38/43,963.52 = 17,713.86/x
  3. Step 3: Cross multiply
    31,861.38x = 43,963.52 × 17,713.86
  4. Step 4: Simplify right side
    31,861.38x = 778,763,638.39
  5. Step 5: Solve for x
    x = 778,763,638.39/31,861.38
  6. Step 6: Final answer
    x = 24,442.24

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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.