Home / 55,524.80-76,623.60-30,374

Finding the Fourth Proportional to 55,524.80, 76,623.60 and 30,374

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Solution

The fourth proportional to 55,524.80, 76,623.60 and 30,374 is: 41,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,524.80 : 76,623.60 = 30,374 : x
  2. Step 2: Convert to fraction form
    55,524.80/76,623.60 = 30,374/x
  3. Step 3: Cross multiply
    55,524.80x = 76,623.60 × 30,374
  4. Step 4: Simplify right side
    55,524.80x = 2,327,365,226.40
  5. Step 5: Solve for x
    x = 2,327,365,226.40/55,524.80
  6. Step 6: Final answer
    x = 41,915.78

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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.