Home / 31,393.99-43,321.66-17,245.92

Finding the Fourth Proportional to 31,393.99, 43,321.66 and 17,245.92

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Solution

The fourth proportional to 31,393.99, 43,321.66 and 17,245.92 is: 23,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393.99 : 43,321.66 = 17,245.92 : x
  2. Step 2: Convert to fraction form
    31,393.99/43,321.66 = 17,245.92/x
  3. Step 3: Cross multiply
    31,393.99x = 43,321.66 × 17,245.92
  4. Step 4: Simplify right side
    31,393.99x = 747,121,882.63
  5. Step 5: Solve for x
    x = 747,121,882.63/31,393.99
  6. Step 6: Final answer
    x = 23,798.25

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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.