Home / 54,385.44-81,578.12-14,942.76

Finding the Fourth Proportional to 54,385.44, 81,578.12 and 14,942.76

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Solution

The fourth proportional to 54,385.44, 81,578.12 and 14,942.76 is: 22,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,385.44 : 81,578.12 = 14,942.76 : x
  2. Step 2: Convert to fraction form
    54,385.44/81,578.12 = 14,942.76/x
  3. Step 3: Cross multiply
    54,385.44x = 81,578.12 × 14,942.76
  4. Step 4: Simplify right side
    54,385.44x = 1,219,002,268.41
  5. Step 5: Solve for x
    x = 1,219,002,268.41/54,385.44
  6. Step 6: Final answer
    x = 22,414.13

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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.