Home / 31,336.20-43,247.52-17,190.36

Finding the Fourth Proportional to 31,336.20, 43,247.52 and 17,190.36

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Solution

The fourth proportional to 31,336.20, 43,247.52 and 17,190.36 is: 23,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.20 : 43,247.52 = 17,190.36 : x
  2. Step 2: Convert to fraction form
    31,336.20/43,247.52 = 17,190.36/x
  3. Step 3: Cross multiply
    31,336.20x = 43,247.52 × 17,190.36
  4. Step 4: Simplify right side
    31,336.20x = 743,440,437.91
  5. Step 5: Solve for x
    x = 743,440,437.91/31,336.20
  6. Step 6: Final answer
    x = 23,724.65

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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.