Home / 54,359.15-81,548.64-16,916.81

Finding the Fourth Proportional to 54,359.15, 81,548.64 and 16,916.81

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Solution

The fourth proportional to 54,359.15, 81,548.64 and 16,916.81 is: 25,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,359.15 : 81,548.64 = 16,916.81 : x
  2. Step 2: Convert to fraction form
    54,359.15/81,548.64 = 16,916.81/x
  3. Step 3: Cross multiply
    54,359.15x = 81,548.64 × 16,916.81
  4. Step 4: Simplify right side
    54,359.15x = 1,379,542,440.90
  5. Step 5: Solve for x
    x = 1,379,542,440.90/54,359.15
  6. Step 6: Final answer
    x = 25,378.30

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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.