Home / 54,213.84-74,815.26-30,338.70

Finding the Fourth Proportional to 54,213.84, 74,815.26 and 30,338.70

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Solution

The fourth proportional to 54,213.84, 74,815.26 and 30,338.70 is: 41,867.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,213.84 : 74,815.26 = 30,338.70 : x
  2. Step 2: Convert to fraction form
    54,213.84/74,815.26 = 30,338.70/x
  3. Step 3: Cross multiply
    54,213.84x = 74,815.26 × 30,338.70
  4. Step 4: Simplify right side
    54,213.84x = 2,269,797,728.56
  5. Step 5: Solve for x
    x = 2,269,797,728.56/54,213.84
  6. Step 6: Final answer
    x = 41,867.50

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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.