Home / 31,395.20-43,324.67-17,054.65

Finding the Fourth Proportional to 31,395.20, 43,324.67 and 17,054.65

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Solution

The fourth proportional to 31,395.20, 43,324.67 and 17,054.65 is: 23,535.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.20 : 43,324.67 = 17,054.65 : x
  2. Step 2: Convert to fraction form
    31,395.20/43,324.67 = 17,054.65/x
  3. Step 3: Cross multiply
    31,395.20x = 43,324.67 × 17,054.65
  4. Step 4: Simplify right side
    31,395.20x = 738,887,180.01
  5. Step 5: Solve for x
    x = 738,887,180.01/31,395.20
  6. Step 6: Final answer
    x = 23,535.04

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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.