Home / 54,286.32-81,434.64-16,846.80

Finding the Fourth Proportional to 54,286.32, 81,434.64 and 16,846.80

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Solution

The fourth proportional to 54,286.32, 81,434.64 and 16,846.80 is: 25,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,286.32 : 81,434.64 = 16,846.80 : x
  2. Step 2: Convert to fraction form
    54,286.32/81,434.64 = 16,846.80/x
  3. Step 3: Cross multiply
    54,286.32x = 81,434.64 × 16,846.80
  4. Step 4: Simplify right side
    54,286.32x = 1,371,913,093.15
  5. Step 5: Solve for x
    x = 1,371,913,093.15/54,286.32
  6. Step 6: Final answer
    x = 25,271.80

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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.