Home / 55,546.74-76,651.56-30,391.38

Finding the Fourth Proportional to 55,546.74, 76,651.56 and 30,391.38

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Solution

The fourth proportional to 55,546.74, 76,651.56 and 30,391.38 is: 41,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,546.74 : 76,651.56 = 30,391.38 : x
  2. Step 2: Convert to fraction form
    55,546.74/76,651.56 = 30,391.38/x
  3. Step 3: Cross multiply
    55,546.74x = 76,651.56 × 30,391.38
  4. Step 4: Simplify right side
    55,546.74x = 2,329,546,687.55
  5. Step 5: Solve for x
    x = 2,329,546,687.55/55,546.74
  6. Step 6: Final answer
    x = 41,938.50

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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.