Home / 31,806.54-43,893.29-17,660.30

Finding the Fourth Proportional to 31,806.54, 43,893.29 and 17,660.30

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Solution

The fourth proportional to 31,806.54, 43,893.29 and 17,660.30 is: 24,371.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,806.54 : 43,893.29 = 17,660.30 : x
  2. Step 2: Convert to fraction form
    31,806.54/43,893.29 = 17,660.30/x
  3. Step 3: Cross multiply
    31,806.54x = 43,893.29 × 17,660.30
  4. Step 4: Simplify right side
    31,806.54x = 775,168,494.07
  5. Step 5: Solve for x
    x = 775,168,494.07/31,806.54
  6. Step 6: Final answer
    x = 24,371.36

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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.