Home / 55,270.96-76,274.40-30,122.08

Finding the Fourth Proportional to 55,270.96, 76,274.40 and 30,122.08

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Solution

The fourth proportional to 55,270.96, 76,274.40 and 30,122.08 is: 41,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,270.96 : 76,274.40 = 30,122.08 : x
  2. Step 2: Convert to fraction form
    55,270.96/76,274.40 = 30,122.08/x
  3. Step 3: Cross multiply
    55,270.96x = 76,274.40 × 30,122.08
  4. Step 4: Simplify right side
    55,270.96x = 2,297,543,578.75
  5. Step 5: Solve for x
    x = 2,297,543,578.75/55,270.96
  6. Step 6: Final answer
    x = 41,568.73

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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.