Home / 55,758.97-76,945.30-31,885.03

Finding the Fourth Proportional to 55,758.97, 76,945.30 and 31,885.03

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Solution

The fourth proportional to 55,758.97, 76,945.30 and 31,885.03 is: 44,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,758.97 : 76,945.30 = 31,885.03 : x
  2. Step 2: Convert to fraction form
    55,758.97/76,945.30 = 31,885.03/x
  3. Step 3: Cross multiply
    55,758.97x = 76,945.30 × 31,885.03
  4. Step 4: Simplify right side
    55,758.97x = 2,453,403,198.86
  5. Step 5: Solve for x
    x = 2,453,403,198.86/55,758.97
  6. Step 6: Final answer
    x = 44,000.15

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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.