Home / 31,935.73-44,071.29-18,514.78

Finding the Fourth Proportional to 31,935.73, 44,071.29 and 18,514.78

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Solution

The fourth proportional to 31,935.73, 44,071.29 and 18,514.78 is: 25,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935.73 : 44,071.29 = 18,514.78 : x
  2. Step 2: Convert to fraction form
    31,935.73/44,071.29 = 18,514.78/x
  3. Step 3: Cross multiply
    31,935.73x = 44,071.29 × 18,514.78
  4. Step 4: Simplify right side
    31,935.73x = 815,970,238.67
  5. Step 5: Solve for x
    x = 815,970,238.67/31,935.73
  6. Step 6: Final answer
    x = 25,550.39

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Half scale
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Double scale
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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.