Home / 31,641.33-43,665.11-17,302.09

Finding the Fourth Proportional to 31,641.33, 43,665.11 and 17,302.09

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Solution

The fourth proportional to 31,641.33, 43,665.11 and 17,302.09 is: 23,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641.33 : 43,665.11 = 17,302.09 : x
  2. Step 2: Convert to fraction form
    31,641.33/43,665.11 = 17,302.09/x
  3. Step 3: Cross multiply
    31,641.33x = 43,665.11 × 17,302.09
  4. Step 4: Simplify right side
    31,641.33x = 755,497,663.08
  5. Step 5: Solve for x
    x = 755,497,663.08/31,641.33
  6. Step 6: Final answer
    x = 23,876.92

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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.