Home / 55,579.82-76,699.42-31,706.88

Finding the Fourth Proportional to 55,579.82, 76,699.42 and 31,706.88

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Solution

The fourth proportional to 55,579.82, 76,699.42 and 31,706.88 is: 43,755.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,579.82 : 76,699.42 = 31,706.88 : x
  2. Step 2: Convert to fraction form
    55,579.82/76,699.42 = 31,706.88/x
  3. Step 3: Cross multiply
    55,579.82x = 76,699.42 × 31,706.88
  4. Step 4: Simplify right side
    55,579.82x = 2,431,899,306.01
  5. Step 5: Solve for x
    x = 2,431,899,306.01/55,579.82
  6. Step 6: Final answer
    x = 43,755.08

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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.