Home / 55,942.88-77,202.38-30,792.38

Finding the Fourth Proportional to 55,942.88, 77,202.38 and 30,792.38

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Solution

The fourth proportional to 55,942.88, 77,202.38 and 30,792.38 is: 42,494.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,942.88 : 77,202.38 = 30,792.38 : x
  2. Step 2: Convert to fraction form
    55,942.88/77,202.38 = 30,792.38/x
  3. Step 3: Cross multiply
    55,942.88x = 77,202.38 × 30,792.38
  4. Step 4: Simplify right side
    55,942.88x = 2,377,244,712.83
  5. Step 5: Solve for x
    x = 2,377,244,712.83/55,942.88
  6. Step 6: Final answer
    x = 42,494.15

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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.