Home / 55,723.59-76,898.70-31,850.87

Finding the Fourth Proportional to 55,723.59, 76,898.70 and 31,850.87

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Solution

The fourth proportional to 55,723.59, 76,898.70 and 31,850.87 is: 43,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,723.59 : 76,898.70 = 31,850.87 : x
  2. Step 2: Convert to fraction form
    55,723.59/76,898.70 = 31,850.87/x
  3. Step 3: Cross multiply
    55,723.59x = 76,898.70 × 31,850.87
  4. Step 4: Simplify right side
    55,723.59x = 2,449,290,112.38
  5. Step 5: Solve for x
    x = 2,449,290,112.38/55,723.59
  6. Step 6: Final answer
    x = 43,954.28

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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.