Home / 55,481.76-76,553.51-31,602.15

Finding the Fourth Proportional to 55,481.76, 76,553.51 and 31,602.15

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Solution

The fourth proportional to 55,481.76, 76,553.51 and 31,602.15 is: 43,604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,481.76 : 76,553.51 = 31,602.15 : x
  2. Step 2: Convert to fraction form
    55,481.76/76,553.51 = 31,602.15/x
  3. Step 3: Cross multiply
    55,481.76x = 76,553.51 × 31,602.15
  4. Step 4: Simplify right side
    55,481.76x = 2,419,255,348.04
  5. Step 5: Solve for x
    x = 2,419,255,348.04/55,481.76
  6. Step 6: Final answer
    x = 43,604.52

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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.