Home / 54,255.10-81,236.85-34,426.30

Finding the Fourth Proportional to 54,255.10, 81,236.85 and 34,426.30

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Solution

The fourth proportional to 54,255.10, 81,236.85 and 34,426.30 is: 51,546.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,255.10 : 81,236.85 = 34,426.30 : x
  2. Step 2: Convert to fraction form
    54,255.10/81,236.85 = 34,426.30/x
  3. Step 3: Cross multiply
    54,255.10x = 81,236.85 × 34,426.30
  4. Step 4: Simplify right side
    54,255.10x = 2,796,684,169.16
  5. Step 5: Solve for x
    x = 2,796,684,169.16/54,255.10
  6. Step 6: Final answer
    x = 51,546.94

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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.