Home / 54,792.85-75,616.41-30,919.54

Finding the Fourth Proportional to 54,792.85, 75,616.41 and 30,919.54

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Solution

The fourth proportional to 54,792.85, 75,616.41 and 30,919.54 is: 42,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,792.85 : 75,616.41 = 30,919.54 : x
  2. Step 2: Convert to fraction form
    54,792.85/75,616.41 = 30,919.54/x
  3. Step 3: Cross multiply
    54,792.85x = 75,616.41 × 30,919.54
  4. Step 4: Simplify right side
    54,792.85x = 2,338,024,613.65
  5. Step 5: Solve for x
    x = 2,338,024,613.65/54,792.85
  6. Step 6: Final answer
    x = 42,670.25

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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.