Home / 31,662.33-43,696.04-21,044.85

Finding the Fourth Proportional to 31,662.33, 43,696.04 and 21,044.85

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Solution

The fourth proportional to 31,662.33, 43,696.04 and 21,044.85 is: 29,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,662.33 : 43,696.04 = 21,044.85 : x
  2. Step 2: Convert to fraction form
    31,662.33/43,696.04 = 21,044.85/x
  3. Step 3: Cross multiply
    31,662.33x = 43,696.04 × 21,044.85
  4. Step 4: Simplify right side
    31,662.33x = 919,576,502.17
  5. Step 5: Solve for x
    x = 919,576,502.17/31,662.33
  6. Step 6: Final answer
    x = 29,043.24

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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.