Home / 54,027.50-81,050.82-18,480.50

Finding the Fourth Proportional to 54,027.50, 81,050.82 and 18,480.50

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Solution

The fourth proportional to 54,027.50, 81,050.82 and 18,480.50 is: 27,724.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,027.50 : 81,050.82 = 18,480.50 : x
  2. Step 2: Convert to fraction form
    54,027.50/81,050.82 = 18,480.50/x
  3. Step 3: Cross multiply
    54,027.50x = 81,050.82 × 18,480.50
  4. Step 4: Simplify right side
    54,027.50x = 1,497,859,679.01
  5. Step 5: Solve for x
    x = 1,497,859,679.01/54,027.50
  6. Step 6: Final answer
    x = 27,724.02

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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.