Home / 54,280.54-81,416.92-16,839.66

Finding the Fourth Proportional to 54,280.54, 81,416.92 and 16,839.66

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Solution

The fourth proportional to 54,280.54, 81,416.92 and 16,839.66 is: 25,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,280.54 : 81,416.92 = 16,839.66 : x
  2. Step 2: Convert to fraction form
    54,280.54/81,416.92 = 16,839.66/x
  3. Step 3: Cross multiply
    54,280.54x = 81,416.92 × 16,839.66
  4. Step 4: Simplify right side
    54,280.54x = 1,371,033,251.05
  5. Step 5: Solve for x
    x = 1,371,033,251.05/54,280.54
  6. Step 6: Final answer
    x = 25,258.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.