Home / 31,339.76-43,247.43-17,192.30

Finding the Fourth Proportional to 31,339.76, 43,247.43 and 17,192.30

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Solution

The fourth proportional to 31,339.76, 43,247.43 and 17,192.30 is: 23,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,339.76 : 43,247.43 = 17,192.30 : x
  2. Step 2: Convert to fraction form
    31,339.76/43,247.43 = 17,192.30/x
  3. Step 3: Cross multiply
    31,339.76x = 43,247.43 × 17,192.30
  4. Step 4: Simplify right side
    31,339.76x = 743,522,574.55
  5. Step 5: Solve for x
    x = 743,522,574.55/31,339.76
  6. Step 6: Final answer
    x = 23,724.58

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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.