Home / 31,722.44-43,777.32-17,382.30

Finding the Fourth Proportional to 31,722.44, 43,777.32 and 17,382.30

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Solution

The fourth proportional to 31,722.44, 43,777.32 and 17,382.30 is: 23,987.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,722.44 : 43,777.32 = 17,382.30 : x
  2. Step 2: Convert to fraction form
    31,722.44/43,777.32 = 17,382.30/x
  3. Step 3: Cross multiply
    31,722.44x = 43,777.32 × 17,382.30
  4. Step 4: Simplify right side
    31,722.44x = 760,950,509.44
  5. Step 5: Solve for x
    x = 760,950,509.44/31,722.44
  6. Step 6: Final answer
    x = 23,987.77

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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.