Home / 31,788.54-43,854.48-19,206

Finding the Fourth Proportional to 31,788.54, 43,854.48 and 19,206

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Solution

The fourth proportional to 31,788.54, 43,854.48 and 19,206 is: 26,496.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,788.54 : 43,854.48 = 19,206 : x
  2. Step 2: Convert to fraction form
    31,788.54/43,854.48 = 19,206/x
  3. Step 3: Cross multiply
    31,788.54x = 43,854.48 × 19,206
  4. Step 4: Simplify right side
    31,788.54x = 842,269,142.88
  5. Step 5: Solve for x
    x = 842,269,142.88/31,788.54
  6. Step 6: Final answer
    x = 26,496.00

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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.