Home / 31,629.17-43,647.49-17,288.36

Finding the Fourth Proportional to 31,629.17, 43,647.49 and 17,288.36

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Solution

The fourth proportional to 31,629.17, 43,647.49 and 17,288.36 is: 23,857.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629.17 : 43,647.49 = 17,288.36 : x
  2. Step 2: Convert to fraction form
    31,629.17/43,647.49 = 17,288.36/x
  3. Step 3: Cross multiply
    31,629.17x = 43,647.49 × 17,288.36
  4. Step 4: Simplify right side
    31,629.17x = 754,593,301.98
  5. Step 5: Solve for x
    x = 754,593,301.98/31,629.17
  6. Step 6: Final answer
    x = 23,857.52

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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.