Home / 31,491.66-43,458.48-17,344.56

Finding the Fourth Proportional to 31,491.66, 43,458.48 and 17,344.56

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Solution

The fourth proportional to 31,491.66, 43,458.48 and 17,344.56 is: 23,935.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,491.66 : 43,458.48 = 17,344.56 : x
  2. Step 2: Convert to fraction form
    31,491.66/43,458.48 = 17,344.56/x
  3. Step 3: Cross multiply
    31,491.66x = 43,458.48 × 17,344.56
  4. Step 4: Simplify right side
    31,491.66x = 753,768,213.87
  5. Step 5: Solve for x
    x = 753,768,213.87/31,491.66
  6. Step 6: Final answer
    x = 23,935.49

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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.