Home / 55,179.84-76,146.72-30,028.80

Finding the Fourth Proportional to 55,179.84, 76,146.72 and 30,028.80

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Solution

The fourth proportional to 55,179.84, 76,146.72 and 30,028.80 is: 41,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,179.84 : 76,146.72 = 30,028.80 : x
  2. Step 2: Convert to fraction form
    55,179.84/76,146.72 = 30,028.80/x
  3. Step 3: Cross multiply
    55,179.84x = 76,146.72 × 30,028.80
  4. Step 4: Simplify right side
    55,179.84x = 2,286,594,625.54
  5. Step 5: Solve for x
    x = 2,286,594,625.54/55,179.84
  6. Step 6: Final answer
    x = 41,438.95

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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.