Home / 54,858.85-82,288.28-13,305.85

Finding the Fourth Proportional to 54,858.85, 82,288.28 and 13,305.85

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Solution

The fourth proportional to 54,858.85, 82,288.28 and 13,305.85 is: 19,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,858.85 : 82,288.28 = 13,305.85 : x
  2. Step 2: Convert to fraction form
    54,858.85/82,288.28 = 13,305.85/x
  3. Step 3: Cross multiply
    54,858.85x = 82,288.28 × 13,305.85
  4. Step 4: Simplify right side
    54,858.85x = 1,094,915,510.44
  5. Step 5: Solve for x
    x = 1,094,915,510.44/54,858.85
  6. Step 6: Final answer
    x = 19,958.78

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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.