Home / 54,137.06-81,211.51-18,601.04

Finding the Fourth Proportional to 54,137.06, 81,211.51 and 18,601.04

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Solution

The fourth proportional to 54,137.06, 81,211.51 and 18,601.04 is: 27,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,137.06 : 81,211.51 = 18,601.04 : x
  2. Step 2: Convert to fraction form
    54,137.06/81,211.51 = 18,601.04/x
  3. Step 3: Cross multiply
    54,137.06x = 81,211.51 × 18,601.04
  4. Step 4: Simplify right side
    54,137.06x = 1,510,618,772.25
  5. Step 5: Solve for x
    x = 1,510,618,772.25/54,137.06
  6. Step 6: Final answer
    x = 27,903.60

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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.