Home / 55,755.62-76,943.90-31,556.58

Finding the Fourth Proportional to 55,755.62, 76,943.90 and 31,556.58

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Solution

The fourth proportional to 55,755.62, 76,943.90 and 31,556.58 is: 43,548.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,755.62 : 76,943.90 = 31,556.58 : x
  2. Step 2: Convert to fraction form
    55,755.62/76,943.90 = 31,556.58/x
  3. Step 3: Cross multiply
    55,755.62x = 76,943.90 × 31,556.58
  4. Step 4: Simplify right side
    55,755.62x = 2,428,086,120.74
  5. Step 5: Solve for x
    x = 2,428,086,120.74/55,755.62
  6. Step 6: Final answer
    x = 43,548.73

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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.