Home / 54,515.73-75,233.85-30,642.33

Finding the Fourth Proportional to 54,515.73, 75,233.85 and 30,642.33

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Solution

The fourth proportional to 54,515.73, 75,233.85 and 30,642.33 is: 42,287.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,515.73 : 75,233.85 = 30,642.33 : x
  2. Step 2: Convert to fraction form
    54,515.73/75,233.85 = 30,642.33/x
  3. Step 3: Cross multiply
    54,515.73x = 75,233.85 × 30,642.33
  4. Step 4: Simplify right side
    54,515.73x = 2,305,340,458.87
  5. Step 5: Solve for x
    x = 2,305,340,458.87/54,515.73
  6. Step 6: Final answer
    x = 42,287.62

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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.