Home / 56,947.12-85,391.99-18,982.94

Finding the Fourth Proportional to 56,947.12, 85,391.99 and 18,982.94

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Solution

The fourth proportional to 56,947.12, 85,391.99 and 18,982.94 is: 28,464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,947.12 : 85,391.99 = 18,982.94 : x
  2. Step 2: Convert to fraction form
    56,947.12/85,391.99 = 18,982.94/x
  3. Step 3: Cross multiply
    56,947.12x = 85,391.99 × 18,982.94
  4. Step 4: Simplify right side
    56,947.12x = 1,620,991,022.65
  5. Step 5: Solve for x
    x = 1,620,991,022.65/56,947.12
  6. Step 6: Final answer
    x = 28,464.85

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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.