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Finding the Fourth Proportional to 58,551.54, 80,801.34 and 31,694.38

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Solution

The fourth proportional to 58,551.54, 80,801.34 and 31,694.38 is: 43,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,551.54 : 80,801.34 = 31,694.38 : x
  2. Step 2: Convert to fraction form
    58,551.54/80,801.34 = 31,694.38/x
  3. Step 3: Cross multiply
    58,551.54x = 80,801.34 × 31,694.38
  4. Step 4: Simplify right side
    58,551.54x = 2,560,948,374.47
  5. Step 5: Solve for x
    x = 2,560,948,374.47/58,551.54
  6. Step 6: Final answer
    x = 43,738.36

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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.